Prosecution Insights
Last updated: October 27, 2026
Application No. 17/881,481

SUB-BAND INDICATION FOR SUB-BAND FULL DUPLEX (SBFD) WIRELESS COMMUNICATION

Non-Final OA §103
Filed
Aug 04, 2022
Examiner
ROUDANI, OUSSAMA
Art Unit
2413
Tech Center
2400 — Computer Networks
Assignee
Qualcomm Incorporated
OA Round
5 (Non-Final)
80%
Grant Probability
Favorable
5-6
OA Rounds
0m
Est. Remaining
87%
With Interview

Examiner Intelligence

Grants 80% — above average
80%
Career Allowance Rate
384 granted / 481 resolved
+21.8% vs TC avg
Moderate +8% lift
Without
With
+7.6%
Interview Lift
resolved cases with interview
Typical timeline
2y 11m
Avg Prosecution
31 currently pending
Career history
525
Total Applications
across all art units

Statute-Specific Performance

§101
4.1%
-35.9% vs TC avg
§103
55.0%
+15.0% vs TC avg
§102
20.4%
-19.6% vs TC avg
§112
14.1%
-25.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 481 resolved cases

Office Action

§103
Notice of Pre-AIA or AIA Status The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Continued Examination Under 37 CFR 1.114 A request for continued examination under 37 CFR 1.114, including the fee set forth in 37 CFR 1.17(e), was filed in this application after final rejection. Since this application is eligible for continued examination under 37 CFR 1.114, and the fee set forth in 37 CFR 1.17(e) has been timely paid, the finality of the previous Office action has been withdrawn pursuant to 37 CFR 1.114. Applicant's submission filed on 07/30/2026 has been entered. Response to Arguments Applicant’s arguments, filed on 07/02/2026, have been fully considered. Regarding Independent claims 1, 11, 16, and 25: Applicant’s arguments are moot in view of new ground(s). Regarding Dependent claim 8: Applicant submitted that Liu (US 20240195440) does not appear to teach or suggest the UE "changing a bandwidth of the first signal filter based on a bandwidth of the second sub-band," or "changing a bandwidth of the second signal filter based on a bandwidth of the first sub." The Examiner respectfully disagrees. Liu ([0025]) discloses that a UE may report its capability to change a bandwidth of its signal filter for a time interval to a network device. the UE may change the filter parameters such as the switched to bandwidth, the frequency range of the bandwidth, or the center frequency. Claim Rejections - 35 USC § 103 The following is a quotation of 35 U.S.C. 103 which forms the basis for all obviousness rejections set forth in this Office action: A patent for a claimed invention may not be obtained, notwithstanding that the claimed invention is not identically disclosed as set forth in section 102, if the differences between the claimed invention and the prior art are such that the claimed invention as a whole would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which the claimed invention pertains. Patentability shall not be negated by the manner in which the invention was made. This application currently names joint inventors. In considering patentability of the claims the examiner presumes that the subject matter of the various claims was commonly owned as of the effective filing date of the claimed invention(s) absent any evidence to the contrary. Applicant is advised of the obligation under 37 CFR 1.56 to point out the inventor and effective filing dates of each claim that was not commonly owned as of the effective filing date of the later invention in order for the examiner to consider the applicability of 35 U.S.C. 102(b)(2)(C) for any potential 35 U.S.C. 102(a)(2) prior art against the later invention. Claim(s) 1-6, 10-15 are rejected under 35 U.S.C. 103 as being unpatentable over Rudolf et al. (US 20230276438) in view of Grant et al. (US 20250254018) and in view of Lohr et al. (US 20240188074). Regarding claim 1, Rudolf discloses a method of wireless communication at a user equipment (UE), comprising: receiving, from a network entity, a sub-band full duplex (SBFD) configuration of one or more time slots, each time slot comprising a plurality of symbols (xdd-config is used to describe the configuration and parameterization for UE determination of DL receptions and/or UL transmissions in a serving cell supporting full-duplex operation. Parameters associated with the xdd-config may include a set of time-domain resources, e.g., symbol(s)/slot(s), in which DL receptions using an SBFD subband or UL transmissions using an SBFD subband are allowed, possible or disallowed; [0210]), wherein the SBFD configuration is configured to indicate whether a symbol of the plurality of symbols is an SBFD symbol or a half duplex symbol, wherein the SBFD symbol is capable of an SBFD operation that simultaneously uses a first sub-band of a bandwidth for downlink (DL) communication and a second sub-band of the bandwidth for uplink (UL) communication (parameters associated with the xdd-config may include a set of time-domain resources, e.g., symbol(s)/slot(s), in which DL receptions using an SBFD subband or UL transmissions using an SBFD subband are allowed, possible or disallowed; [0210]); communicating with the network entity in one or more symbols configured for the SBFD operation using at least one of the first sub-band for DL communication or the second sub-band for UL communication (UE considers symbols in a slot indicated as ‘F’ by xdd-config as potentially available for either reception or transmission; [0214]). Rudolf does not expressly disclose wherein the SBFD configuration comprises a bitmap including a plurality of bits, each bit configured to indicate whether a corresponding symbol of the plurality of symbols is an SBFD symbol or a half duplex symbol; and communicating with the network entity using different sets of communication parameters based on whether the one or more symbols are used in the SBFD operation or a half duplex operation. In an analogous art, Grant discloses wherein the SBFD configuration comprises a bitmap including a plurality of bits, each bit configured to indicate whether a corresponding symbol of the plurality of symbols is an SBFD symbol or a half duplex symbol (the SBFD indication parameter is a bitmask, wherein each bit represents a slot or a symbol in the corresponding TDD pattern (or only the ‘F’ slots or symbols in the TDD pattern) in a time-ascending order, with 1 indicating a SBFD slot or symbol and 0 indicating a ‘F’ slot or symbol; [0103]). It would have been obvious to one of ordinary skill in the art, before the effective filing date of the claimed invention, to add the features taught by Grant into the system of Rudolf in order to enable simultaneous transmission/reception within the same carrier by using SBFD symbols (Grant; [0084]). The combination of Rudolf and Grant does not expressly disclose communicating with the network entity using different sets of communication parameters based on whether the one or more symbols are used in the SBFD operation or a half duplex operation. In an analogous art, Lohr discloses communicating with the network entity using different sets of communication parameters based on whether the one or more symbols are used in the SBFD operation or a half duplex operation (UE shall apply a first Modulation Coding Scheme (“MCS”) when uplink transmission happens on (a set of) symbols/PRBs which are operated in a FD mode, whereas UE applies a second MCS when uplink transmission happens on (a set of) symbols/PRBs which are operated in a non-FD mode; [0107]). It would have been obvious to one of ordinary skill in the art, before the effective filing date of the claimed invention, to add the features taught by Lohr into the system of Rudolf and Grant in order to effectively select the uplink transmission parameter based on the duplex mode in the wireless communication system (Lohr; [0005]). Regarding claim 2, the combination of Rudolf, Grant, and Lohr, particularly Rudolf discloses receiving, from the network entity, the SBFD configuration in at least one of a first radio resource control (RRC) message, a first downlink control information (DCI), or a medium access control (MAC) control element (CE) (parameters associated with xdd-config may be provided to the UE by means of dedicated RRC signaling such as ServingCellConfig. For example, parameters associated with xdd-config may be provided using the RRC-configured TDRA table and/or DCI-based signaling indicates to the UE which configuration should be applied; [0210]). Regarding claim 3, the combination of Rudolf, Grant, and Lohr, particularly Rudolf discloses receiving the first RRC message configured to indicate the SBFD configuration and a slot format configuration of the one or more time slots (parameters associated with xdd-config may be provided to the UE by means of common RRC signaling using SIB. In another example, parameters associated with xdd-config may be provided to the UE by means of dedicated RRC signaling such as ServingCellConfig. For example, parameters associated with xdd-config may be provided using the RRC-configured TDRA table and/or DCI-based signaling indicates to the UE which configuration should be applied. UE is provided with an RRC configuration using common RRC signaling such as a system information block (SIB), e.g., SIB1, where the UE is configured with a set of allowed or a set of disallowed slots in which a PUSCH transmission of a PUSCH repetition can occur or cannot occur; [0210-0211]). Regarding claim 4, the combination of Rudolf, Grant, and Lohr, particularly Rudolf discloses receiving the first RRC message configured to indicate the SBFD configuration (parameters associated with xdd-config may be provided to the UE by means of common RRC signaling using SIB; [0210]); and receiving a second RRC message, different from the first RRC message, configured to indicate a slot format configuration of the one or more time slots (txType can designate a slot or symbol with reference to a bitmap or a list of slots or symbols (or groups thereof) indicating if PUSCH repetition is enabled or disabled in the time-domain resources where a bitmap or list of slots may be configured separately by RRC; [0178]). Regarding claim 5, the combination of Rudolf, Grant, and Lohr, particularly Rudolf discloses receiving the first DCI configured to indicate the SBFD configuration and a slot format configuration of the one or more time slots (FD or SBFD slots or FD or SBFD symbol assignments over a period of time and/or a number of slots or symbols can be indicated by a DCI format; [0153]). Regarding claim 6, the combination of Rudolf, Grant, and Lohr, particularly Rudolf discloses receiving the first DCI configured to indicate the SBFD configuration (FD or SBFD slots or FD or SBFD symbol assignments over a period of time and/or a number of slots or symbols can be indicated by a DCI format; [0153]. Configuration and/or parameters associated with the xdd-config may be provided to the UE using higher layer signaling, DCI-based signaling and/or MAC CE based signaling; [0210]); and receiving a second DCI, different from the first DCI, configured to indicate a slot format configuration of the one or more time slots (SFI refers to a slot format indicator as example which is configured using higher layer provided IEs such as slotFormatCombination or slotFormatCombinationsPerCell and which is indicated to the UE by group common DCI such as DCI F2_0 where slotFormats are defined in REF3; [0209]). Regarding claim 10, the combination of Rudolf, Grant, and Lohr, particularly Lohr discloses communicating with the network entity in the one or more symbols of the plurality of symbols using a first set of communication parameters corresponding to the SBFD operation; and communicating with the network entity in remaining symbols of the plurality of symbols using a second set of communication parameters corresponding to a half duplex operation, wherein the first set of communication parameters and the second set of communication parameters are different in terms of at least one of: modulation and coding scheme (MCS) (UE shall apply a first Modulation Coding Scheme (“MCS”) when uplink transmission happens on (a set of) symbols/PRBs which are operated in a FD mode, whereas UE applies a second MCS when uplink transmission happens on (a set of) symbols/PRBs which are operated in a non-FD mode. UE is configured with multiple mcsAndTBS fields/parameter in the IE ConfiguredGrantConfig, e.g., one for FD mode and one for non-FD mode; [0107]). It would have been obvious to one of ordinary skill in the art, before the effective filing date of the claimed invention, to add the features taught by Lohr into the system of Rudolf and Grant in order to effectively select the uplink transmission parameter based on the duplex mode in the wireless communication system (Lohr; [0005]). Regarding claim 11, the claim is interpreted and rejected for the reasons cited in claim 1. Regarding claim 12, the claim is interpreted and rejected for the reasons cited in claim 2. Regarding claim 13, the claim is interpreted and rejected for the reasons cited in claim 3. Regarding claim 14, the claim is interpreted and rejected for the reasons cited in claim 5. Claim(s) 8, 16-21, 23-28, 30 are rejected under 35 U.S.C. 103 as being unpatentable over Rudolf et al. (US 20230276438) in view of Grant et al. (US 20250254018) and Liu et al. (US 20240195440), and in view of Lohr et al. (US 20240188074). Regarding claim 8, the combination of Rudolf, Grant, and Lohr does not expressly disclose transmitting a UE report indicating a capability of the UE to change a bandwidth of a first signal filter configured for UL communication, and changing a bandwidth of the first signal filter based on a bandwidth of the second sub-band; or transmitting a UE report indicating a capability of the UE to change a bandwidth of a second signal filter configured for DL communication, and changing a bandwidth of the second signal filter based on a bandwidth of the first sub-band. In an analogous art, Liu discloses transmitting a UE report indicating a capability of the UE to change a bandwidth of a first signal filter configured for UL communication, and changing a bandwidth of the first signal filter based on a bandwidth of the second sub-band; or transmitting a UE report indicating a capability of the UE to change a bandwidth of a second signal filter configured for DL communication, and changing a bandwidth of the second signal filter based on a bandwidth of the first sub-band (terminal device sends capability information to the network device, where the capability information indicates at least one of the following information: the filter bandwidth supported by the terminal device or the switching duration T of the terminal device. T is a period of time for the terminal device to adapt to a switched filter parameter, and the filter parameter includes one or more of the following: the bandwidth, the center frequency, a frequency range of the bandwidth, or another analog parameter of the filter. Considering that the terminal device may change the filter parameter, for example, in a frequency-hopping transmission scenario, the filter of the terminal device switches the bandwidth, the frequency range of the bandwidth, or the center frequency; [0025]). It would have been obvious to one of ordinary skill in the art, before the effective filing date of the claimed invention, to add the features taught by Liu into the system of Rudolf, Grant, and Lohr in order to enable a terminal device to complete switching of a filter parameter before sending or receiving a signal, to reduce, as much as possible, a probability that the signal cannot be correctly received, and reduce or avoid interference between signals as much as possible (Liu; [0004]). Regarding claim 16, Rudolf discloses a method of wireless communication at a network entity, comprising: providing a sub-band full duplex (SBFD) configuration of one or more time slots, each time slot comprising a plurality of symbols (xdd-config is used to describe the configuration and parameterization for UE determination of DL receptions and/or UL transmissions in a serving cell supporting full-duplex operation. Parameters associated with the xdd-config may include a set of time-domain resources, e.g., symbol(s)/slot(s), in which DL receptions using an SBFD subband or UL transmissions using an SBFD subband are allowed, possible or disallowed; [0210]), wherein the SBFD configuration is configured to indicate whether a symbol of the plurality of symbols is an SBFD symbol or a half duplex symbol, wherein the SBFD symbol is capable of an SBFD operation that simultaneously uses a first sub-band of a bandwidth for downlink (DL) communication and a second sub-band of the bandwidth for uplink (UL) communication (parameters associated with the xdd-config may include a set of time-domain resources, e.g., symbol(s)/slot(s), in which DL receptions using an SBFD subband or UL transmissions using an SBFD subband are allowed, possible or disallowed; [0210]); and communicating with the UE in one or more symbols configured for the SBFD operation using at least one of the first sub-band for DL communication or the second sub-band for UL communication (UE considers symbols in a slot indicated as ‘F’ by xdd-config as potentially available for either reception or transmission; [0214]). Rudolf does not expressly disclose wherein the SBFD configuration comprises a bitmap including a plurality of bits, each bit configured to indicate whether a corresponding symbol of the plurality of symbols is an SBFD symbol or a half duplex symbol; receiving, from a user equipment (UE), a report indicating a capability of the UE to change a bandwidth of a signal filter based on at least one of a bandwidth of the first subband or a bandwidth of the second sub-band; and communicating with the UE using different sets of communication parameters based on whether the one or more symbols are used in the SBFD operation or a half duplex operation. In an analogous art, Grant discloses wherein the SBFD configuration comprises a bitmap including a plurality of bits, each bit configured to indicate whether a corresponding symbol of the plurality of symbols is an SBFD symbol or a half duplex symbol (the SBFD indication parameter is a bitmask, wherein each bit represents a slot or a symbol in the corresponding TDD pattern (or only the ‘F’ slots or symbols in the TDD pattern) in a time-ascending order, with 1 indicating a SBFD slot or symbol and 0 indicating a ‘F’ slot or symbol; [0103]). It would have been obvious to one of ordinary skill in the art, before the effective filing date of the claimed invention, to add the features taught by Grant into the system of Rudolf in order to enable simultaneous transmission/reception within the same carrier by using SBFD symbols (Grant; [0084]). The combination of Rudolf and Grant does not expressly disclose receiving, from a user equipment (UE), a report indicating a capability of the UE to change a bandwidth of a signal filter based on at least one of a bandwidth of the first subband or a bandwidth of the second sub-band; and communicating with the UE using different sets of communication parameters based on whether the one or more symbols are used in the SBFD operation or a half duplex operation. In an analogous art, Liu discloses receiving, from a user equipment (UE), a report indicating a capability of the UE to change a bandwidth of a signal filter based on at least one of a bandwidth of the first subband or a bandwidth of the second sub-band (terminal device sends capability information to the network device, where the capability information indicates at least one of the following information: the filter bandwidth supported by the terminal device or the switching duration T of the terminal device. T is a period of time for the terminal device to adapt to a switched filter parameter, and the filter parameter includes one or more of the following: the bandwidth, the center frequency, a frequency range of the bandwidth, or another analog parameter of the filter. Considering that the terminal device may change the filter parameter, for example, in a frequency-hopping transmission scenario, the filter of the terminal device switches the bandwidth, the frequency range of the bandwidth, or the center frequency; [0025]). It would have been obvious to one of ordinary skill in the art, before the effective filing date of the claimed invention, to add the features taught by Liu into the system of Rudolf and Grant in order to enable a terminal device to complete switching of a filter parameter before sending or receiving a signal, to reduce, as much as possible, a probability that the signal cannot be correctly received, and reduce or avoid interference between signals as much as possible (Liu; [0004]). The combination of Rudolf, Liu, and Grant does not expressly disclose communicating with the UE using different sets of communication parameters based on whether the one or more symbols are used in the SBFD operation or a half duplex operation. In an analogous art, Lohr discloses communicating with the UE using different sets of communication parameters based on whether the one or more symbols are used in the SBFD operation or a half duplex operation (UE shall apply a first Modulation Coding Scheme (“MCS”) when uplink transmission happens on (a set of) symbols/PRBs which are operated in a FD mode, whereas UE applies a second MCS when uplink transmission happens on (a set of) symbols/PRBs which are operated in a non-FD mode; [0107]). It would have been obvious to one of ordinary skill in the art, before the effective filing date of the claimed invention, to add the features taught by Lohr into the system of Rudolf, Liu, and Grant in order to effectively select the uplink transmission parameter based on the duplex mode in the wireless communication system (Lohr; [0005]). Regarding claim 17, the combination of Rudolf, Grant, Lohr, and Liu, particularly Rudolf discloses providing the SBFD configuration in at least one of a first radio resource control (RRC) message, a first downlink control information (DCI), or a medium access control (MAC) control element (CE) (parameters associated with xdd-config may be provided to the UE by means of dedicated RRC signaling such as ServingCellConfig. For example, parameters associated with xdd-config may be provided using the RRC-configured TDRA table and/or DCI-based signaling indicates to the UE which configuration should be applied; [0210]). Regarding claim 18, the combination of Rudolf, Grant, Lohr, and Liu, particularly Rudolf discloses providing the first RRC message configured to indicate the SBFD configuration and a slot format configuration of the one or more time slots (parameters associated with xdd-config may be provided to the UE by means of common RRC signaling using SIB. In another example, parameters associated with xdd-config may be provided to the UE by means of dedicated RRC signaling such as ServingCellConfig. For example, parameters associated with xdd-config may be provided using the RRC-configured TDRA table and/or DCI-based signaling indicates to the UE which configuration should be applied. UE is provided with an RRC configuration using common RRC signaling such as a system information block (SIB), e.g., SIB1, where the UE is configured with a set of allowed or a set of disallowed slots in which a PUSCH transmission of a PUSCH repetition can occur or cannot occur; [0210-0211]). Regarding claim 19, the combination of Rudolf, Grant, Lohr, and Liu, particularly Rudolf discloses providing the first RRC message configured to indicate the SBFD configuration (parameters associated with xdd-config may be provided to the UE by means of common RRC signaling using SIB; [0210]); and providing a second RRC message, different from the first RRC message, configured to indicate a slot format configuration of the one or more time slots (txType can designate a slot or symbol with reference to a bitmap or a list of slots or symbols (or groups thereof) indicating if PUSCH repetition is enabled or disabled in the time-domain resources where a bitmap or list of slots may be configured separately by RRC; [0178]). Regarding claim 20, the combination of Rudolf, Grant, Lohr, and Liu, particularly Rudolf discloses providing the first DCI configured to indicate the SBFD configuration and a slot format configuration of the one or more time slots (FD or SBFD slots or FD or SBFD symbol assignments over a period of time and/or a number of slots or symbols can be indicated by a DCI format; [0153]). Regarding claim 21, the combination of Rudolf, Grant, Lohr, and Liu, particularly Rudolf discloses providing the first DCI configured to indicate the SBFD configuration (FD or SBFD slots or FD or SBFD symbol assignments over a period of time and/or a number of slots or symbols can be indicated by a DCI format; [0153]. Configuration and/or parameters associated with the xdd-config may be provided to the UE using higher layer signaling, DCI-based signaling and/or MAC CE based signaling; [0210]); and providing a second DCI, different from the first DCI, configured to indicate a slot format configuration of the one or more time slots (SFI refers to a slot format indicator as example which is configured using higher layer provided IEs such as slotFormatCombination or slotFormatCombinationsPerCell and which is indicated to the UE by group common DCI such as DCI F2_0 where slotFormats are defined in REF3; [0209]). Regarding claim 23, the combination of Rudolf, Grant, Lohr, and Liu, particularly Liu discloses changing at least one of the bandwidth of the first sub-band or the bandwidth of the second sub-band according to the capability of the UE (the network device may provide a referable bandwidth, for example, the at least one bandwidth, for the terminal device based on a capability of the terminal device; [0020]). It would have been obvious to one of ordinary skill in the art, before the effective filing date of the claimed invention, to add the features taught by Liu into the system of Rudolf, Lohr, and Grant in order to enable a terminal device to complete switching of a filter parameter before sending or receiving a signal, to reduce, as much as possible, a probability that the signal cannot be correctly received, and reduce or avoid interference between signals as much as possible (Liu; [0004]). Regarding claim 24, the combination of Rudolf, Grant, Lohr, and Liu, particularly Lohr discloses communicating with the UE using a first set of communication parameters corresponding to the SBFD configuration; and communicating with the UE using a second set of communication parameters corresponding to a half duplex configuration, wherein the first set of communication parameters and the second set of communication parameters are different in terms of at least one of: modulation and coding scheme (MCS) (UE shall apply a first Modulation Coding Scheme (“MCS”) when uplink transmission happens on (a set of) symbols/PRBs which are operated in a FD mode, whereas UE applies a second MCS when uplink transmission happens on (a set of) symbols/PRBs which are operated in a non-FD mode. UE is configured with multiple mcsAndTBS fields/parameter in the IE ConfiguredGrantConfig, e.g., one for FD mode and one for non-FD mode; [0107]). It would have been obvious to one of ordinary skill in the art, before the effective filing date of the claimed invention, to add the features taught by Lohr into the system of Rudolf, Liu, and Grant in order to effectively select the uplink transmission parameter based on the duplex mode in the wireless communication system (Lohr; [0005]). Regarding claim 25, the claim is interpreted and rejected for the reasons cited in claim 16. Regarding claim 26, the claim is interpreted and rejected for the reasons cited in claim 17. Regarding claim 27, the claim is interpreted and rejected for the reasons cited in claim 18. Regarding claim 28, the claim is interpreted and rejected for the reasons cited in claim 20. Regarding claim 30, the claim is interpreted and rejected for the reasons cited in claim 24. Claim(s) 9 is/are rejected under 35 U.S.C. 103 as being unpatentable over Rudolf et al. (US 20230276438) in view of Grant et al. (US 20250254018) and Lohr et al. (US 20240188074) and in view of Ye et al. (US 20230283446). Regarding claim 9, the combination of Rudolf, Grant, and Lohr does not expressly disclose refraining from monitoring a physical downlink control channel (PDCCH) in the second sub-band in the one or more symbols configured for the SBFD operation. In an analogous art, Ye discloses refraining from monitoring a physical downlink control channel (PDCCH) in the second sub-band in the one or more symbols configured for the SBFD operation (UE has a PDCCH monitoring occasion that is fixed by the RRC signaling. The PDCCH monitoring occasion can conflict with a PUSCH/PUCCH/SRS/PRACH transmission in a slot operating in the XDD mode. If there is a scheduled UL transmission or a PRACH transmission is scheduled for the slot, the UE is configured to ignore the PDCCH monitoring occasion; [0072-0073]). It would have been obvious to one of ordinary skill in the art, before the effective filing date of the claimed invention, to add the features taught by Ye into the system of Rudolf, Grant, and Lohr in order to combine TDD’s ability to efficiently handle asymmetric UL and downlink (DL) traffic with frequency division duplex’s coverage advantage (Ye; [0002]). Conclusion The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. Abotabl et al. (US 20210297226), “FULL DUPLEX COMMUNICATION TECHNIQUES.” Any inquiry concerning this communication or earlier communications from the examiner should be directed to OUSSAMA ROUDANI whose telephone number is (571)272-4727. The examiner can normally be reached 8:30 AM - 5:00 PM. Examiner interviews are available via telephone, in-person, and video conferencing using a USPTO supplied web-based collaboration tool. To schedule an interview, applicant is encouraged to use the USPTO Automated Interview Request (AIR) at http://www.uspto.gov/interviewpractice. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, UN C CHO can be reached on (571) 272 7919. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of published or unpublished applications may be obtained from Patent Center. Unpublished application information in Patent Center is available to registered users. To file and manage patent submissions in Patent Center, visit: https://patentcenter.uspto.gov. Visit https://www.uspto.gov/patents/apply/patent-center for more information about Patent Center and https://www.uspto.gov/patents/docx for information about filing in DOCX format. For additional questions, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. /OUSSAMA ROUDANI/ Primary Examiner, Art Unit 2413
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Prosecution Timeline

Show 15 earlier events
May 26, 2026
Interview Requested
Jul 02, 2026
Response after Non-Final Action
Jul 30, 2026
Request for Continued Examination
Aug 07, 2026
Response after Non-Final Action
Aug 26, 2026
Non-Final Rejection mailed — §103
Oct 02, 2026
Interview Requested
Oct 08, 2026
Applicant Interview (Telephonic)
Oct 08, 2026
Examiner Interview Summary

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Prosecution Projections

5-6
Expected OA Rounds
80%
Grant Probability
87%
With Interview (+7.6%)
2y 11m (~0m remaining)
Median Time to Grant
High
PTA Risk
Based on 481 resolved cases by this examiner. Grant probability derived from career allowance rate.

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