Prosecution Insights
Last updated: April 19, 2026
Application No. 18/548,954

Random Access in a Wireless Communication Network

Non-Final OA §103
Filed
Sep 05, 2023
Examiner
MORSE, CASON HENSON
Art Unit
2417
Tech Center
2400 — Computer Networks
Assignee
Telefonaktiebolaget Lm Ericsson (Publ)
OA Round
1 (Non-Final)
50%
Grant Probability
Moderate
1-2
OA Rounds
3y 1m
To Grant
-12%
With Interview

Examiner Intelligence

Grants 50% of resolved cases
50%
Career Allow Rate
3 granted / 6 resolved
-8.0% vs TC avg
Minimal -62% lift
Without
With
+-62.5%
Interview Lift
resolved cases with interview
Typical timeline
3y 1m
Avg Prosecution
24 currently pending
Career history
30
Total Applications
across all art units

Statute-Specific Performance

§101
3.0%
-37.0% vs TC avg
§103
59.9%
+19.9% vs TC avg
§102
16.8%
-23.2% vs TC avg
§112
16.8%
-23.2% vs TC avg
Black line = Tech Center average estimate • Based on career data from 6 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 . Information Disclosure Statement The information disclosure statement (IDS) submitted on 09/05/2023 is in compliance with the provisions of 37 CFR 1.97. Accordingly, the information disclosure statement is being considered by the examiner. Drawings The drawings are objected to because Fig. 2 symbol 12T is reused for TX and TUNER Fig. 11, symbol 1110 is reused. First instance (2nd step) should read 1105 Fig. 12, symbol 16 points to random access preamble, should be symbol 14. Corrected drawing sheets in compliance with 37 CFR 1.121(d) are required in reply to the Office action to avoid abandonment of the application. Any amended replacement drawing sheet should include all of the figures appearing on the immediate prior version of the sheet, even if only one figure is being amended. The figure or figure number of an amended drawing should not be labeled as “amended.” If a drawing figure is to be canceled, the appropriate figure must be removed from the replacement sheet, and where necessary, the remaining figures must be renumbered and appropriate changes made to the brief description of the several views of the drawings for consistency. Additional replacement sheets may be necessary to show the renumbering of the remaining figures. Each drawing sheet submitted after the filing date of an application must be labeled in the top margin as either “Replacement Sheet” or “New Sheet” pursuant to 37 CFR 1.121(d). If the changes are not accepted by the examiner, the applicant will be notified and informed of any required corrective action in the next Office action. The objection to the drawings will not be held in abeyance. Specification The disclosure is objected to because of the following informalities: Spec. pg. 11, line 32: “F-TX1…T-TXN” should read “F-TX1…F-TXN” Spec. pg. 42, line 9: “UE 19000” should read “UE 1900” Spec. pg. 42, lines 20-21: “power source 1933” should read “power source 1913” Appropriate correction is required. 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. The factual inquiries for establishing a background for determining obviousness under 35 U.S.C. 103 are summarized as follows: 1. Determining the scope and contents of the prior art. 2. Ascertaining the differences between the prior art and the claims at issue. 3. Resolving the level of ordinary skill in the pertinent art. 4. Considering objective evidence present in the application indicating obviousness or nonobviousness. Claim 52 are rejected under 35 U.S.C. 103 as being unpatentable over Rastergardoost et al. (US 2023/0189232), D1 hereinafter, in view of Sun et al. (US 2023/0131212), Sun hereinafter. Re. Claim 52, D1 teaches a method performed by a wireless communication device for random access to a wireless communication network (D1, 0018: FIG. 13A, FIG. 13B, and FIG. 13C respectively illustrate a four-step contention-based random access procedure, a two-step contention-free random access procedure, and another two-step random access procedure.), the method comprising: PNG media_image1.png 664 624 media_image1.png Greyscale transmitting, to the wireless communication network, a random access preamble (D1, Fig. 13A-B; 0169: The procedure illustrated in FIG. 13A comprises transmission of four messages: a Msg 1 1311, a Msg 2 1312, a Msg 3 1313, and a Msg 4 1314. The Msg 1 1311 may include and/or be referred to as a preamble (or a random access preamble). 0180: The procedure illustrated in FIG. 13B comprises transmission of two messages: a Msg 1 1321 and a Msg 2 1322. The Msg 1 1321 and the Msg 2 1322 may be analogous in some respects to the Msg 1 1311 and a Msg 2 1312 illustrated in FIG. 13A, respectively.) in a random access channel occasion (D1, 0174: The Msg 1 1311 may be transmitted to the base station via one or more PRACH occasions.) that comprises one or more symbols (D1, 0176: For example, the UE may start the time window one or more symbols after a last symbol of the preamble (e.g., at a first PDCCH occasion from an end of a preamble transmission). [A last symbol of the preamble implies the preamble/random access channel occasion comprises one or more symbols.]); and monitoring for a response to the random access preamble within a response window (D1, 0176: The Msg 2 1312 received by the UE may include an RAR. 0176: After transmitting a preamble, the UE may start a time window (e.g., ra-ResponseWindow) to monitor a PDCCH for the Msg 2 1312.), wherein the response window starts in an earliest control resource set that begins at least a minimum number of symbols after the last symbol of the random access channel occasion (D1, 0118: For a downlink BWP in a set of configured downlink BWPs on a primary cell (PCell), a base station may configure a UE with one or more control resource sets (CORESETs) for at least one search space. A search space is a set of locations in the time and frequency domains where the UE may find control information. 0176: The UE may determine when to start the time window based on a PRACH occasion that the UE uses to transmit the preamble. For example, the UE may start the time window one or more symbols after a last symbol of the preamble (e.g., at a first PDCCH occasion from an end of a preamble transmission). [The PDCCH occasion is defined by the configured CORESET]). Yet, D1 does not explicitly teach wherein the minimum number of symbols is greater than one. However, in the related art, Sun teaches wherein the minimum number of symbols is greater than one (Sun, 0110: For example, for half duplex FD-FDD MTC (machine type communication) in an LTE system, users need one slot (1 millisecond) to retune.). Therefore, it would have been obvious to a person of ordinary skill in the art before the effective filing date of the claimed invention to combine the invention of D1 with the method for defining an uplink and downlink time table of Sun. The resulting device would provide for supporting the operation of half duplex frequency division duplex UEs in NR (Sun, 0009-0010). Re. Claim 53. D1 in view of Sun teaches claim 52. Yet, D1 does not explicitly teach after transmitting the random access preamble at a transmit frequency, re-tuning a receiver of the wireless communication device to monitor for the response at a receive frequency. However, in the related art, Sun teaches after transmitting the random access preamble at a transmit frequency, re-tuning a receiver of the wireless communication device to monitor for the response at a receive frequency (Sun, 0110: For a half duplex HD-FDD UE, if uplink and downlink share the same crystal oscillator, the UE will need a long time to retune due to different frequencies that the uplink and downlink are at. And 0194: The time interval between the end of the PRACH transmission and the beginning of the RAR window reception may be different for UEs with different uplink and downlink switching processing capabilities, by predefinition or configuration by the base station. And 0195: For a UE with specific UE capabilities, it needs to go through a longer interval than interval 1 after transmitting the last symbol of the PRACH, for example, the predefined or base station-configured interval 2. [Since a HD-FDD UE transmits on one frequency and receives on a second frequency, it is necessary for a HD-FDD UE to retune between transmitting the preamble and monitoring for the response.]). Therefore, it would have been obvious to a person of ordinary skill in the art before the effective filing date of the claimed invention to combine the invention of D1 with the method for defining an uplink and downlink time table of Sun. The resulting device would provide for supporting the operation of half duplex frequency division duplex UEs in NR (Sun, 0009-0010). Re. Claim 54. D1 in view of Sun teaches claim 52. D1 further teaches wherein the random access preamble is transmitted using a transmitter of the wireless communication device (D1, 0174: The Msg 1 1311 may be transmitted to the base station via one or more PRACH occasions.). Yet, D1 does not explicitly teach wherein re-tuning the receiver comprises re-tuning an oscillator shared between the transmitter and the receiver. However, in the related art, Sun teaches wherein re-tuning the receiver comprises re-tuning an oscillator shared between the transmitter and the receiver (Sun, 0110: For a half duplex HD-FDD UE, if uplink and downlink share the same crystal oscillator, the UE will need a long time to retune due to different frequencies that the uplink and downlink are at.). Therefore, it would have been obvious to a person of ordinary skill in the art before the effective filing date of the claimed invention to combine the invention of D1 with the method for defining an uplink and downlink time table of Sun. The resulting device would provide for supporting the operation of half duplex frequency division duplex UEs in NR (Sun, 0009-0010). Re. Claim 55. D1 in view of Sun teaches claim 52. Yet, D1 does not explicitly teach wherein one or more control resource sets each begin at least one symbol after the last symbol of the random access channel occasion but begin fewer than said minimum number of symbols after the last symbol of the random access channel occasion. However, in the related art, Sun teaches wherein one or more control resource sets each begin at least one symbol after the last symbol of the random access channel occasion but begin fewer than said minimum number of symbols after the last symbol of the random access channel occasion (Sun, 0195: As shown in FIG. 6A, since CORESET1 does not satisfy interval 2, then, the UE starts the RAR window timer at the start position of the first CORESET (i.e., CORESET 2) after interval 2 after transmitting the last symbol of the PRACH, and the timing of the RAR window 2 is started until the timer expires (for example, the end of RAR window 2). [interval 2 corresponds the minimum number of symbols after the last symbol of the random access channel occasion.]). Therefore, it would have been obvious to a person of ordinary skill in the art before the effective filing date of the claimed invention to combine the invention of D1 with the method for defining an uplink and downlink time table of Sun. The resulting device would provide for supporting the operation of half duplex frequency division duplex UEs in NR (Sun, 0009-0010). Re. Claim 56. D1 in view of Sun teaches claim 52. D1 further teaches wherein said earliest control resource set, and each of the one or more control resource sets, is a control resource set that the wireless communication device is configured to receive a Physical Downlink Control Channel (PDCCH) for a Type1- PDCCH common search space (CSS) set (D1, 0176: For example, the UE may start the time window one or more symbols after a last symbol of the preamble (e.g., at a first PDCCH occasion from an end of a preamble transmission). The one or more symbols may be determined based on a numerology. The PDCCH may be in a common search space (e.g., a Type1-PDCCH common search space) configured by an RRC message. D1, 0194: the base station transmits a DCI via a PDCCH on one or more control resource sets (CORESETs)). Re. Claim 57. D1 in view of Sun teaches claim 55. Yet, D1 does not explicitly teach waiting to monitor for the response until the start of the response window, wherein said waiting comprises refraining from monitoring for the response during said one or more control resource sets. However, in the related art, Sun teaches waiting to monitor for the response until the start of the response window (Sun, 0195: For a UE with specific UE capabilities, it needs to go through a longer interval than interval 1 after transmitting the last symbol of the PRACH, for example, the predefined or base station-configured interval 2.), wherein said waiting comprises refraining from monitoring for the response during said one or more control resource sets (Sun, 0195: As shown in FIG. 6A, since CORESET1 does not satisfy interval 2, then, the UE starts the RAR window timer at the start position of the first CORESET (i.e., CORESET 2) after interval 2 after transmitting the last symbol of the PRACH, and the timing of the RAR window 2 is started until the timer expires (for example, the end of RAR window 2).). Therefore, it would have been obvious to a person of ordinary skill in the art before the effective filing date of the claimed invention to combine the invention of D1 with the method for defining an uplink and downlink time table of Sun. The resulting device would provide for supporting the operation of half duplex frequency division duplex UEs in NR (Sun, 0009-0010). Re. Claim 58. D1 in view of Sun teaches the method of claim 52, D1 further teaches wherein the wireless communication device is a half-duplex frequency division duplex (FDD) device (D1, 0222: Potential UE complexity reduction features may include: reduced number of UE RX/TX antennas; reduced UE bandwidth (e.g., Rel-15 SSB bandwidth may be reused and L1 changes minimized); Half-Duplex-FDD; relaxed UE processing time; and relaxed UE processing capability.) or Re. Claim 59. D1 in view of Sun teaches claim 52. D1 further teaches selecting the random access channel occasion, in which to transmit the random access preamble (D1, 0170: The one or more RRC messages may indicate one or more random access channel (RACH) parameters to the UE. The one or more RACH parameters may comprise at least one of following: general parameters for one or more random access procedures (e.g., RACH-configGeneral); cell-specific parameters (e.g., RACH-ConfigCommon); and/or dedicated parameters (e.g., RACH-configDedicated). The base station may broadcast or multicast the one or more RRC messages to one or more UEs. The one or more RRC messages may be UE-specific (e.g., dedicated RRC messages transmitted to a UE in an RRC_CONNECTED state and/or in an RRC_INACTIVE state). The UE may determine, based on the one or more RACH parameters, a time-frequency resource and/or an uplink transmit power for transmission of the Msg 1 1311 and/or the Msg 3 1313..), from a set of random access channel occasions that are frequency multiplexed across a frequency bandwidth wider than a transmit bandwidth of the wireless communication device (D1, 0277: For frequency hopping within a BWP, the base station may configure a wideband BWP comprising multiple narrow subbands (e.g., a 100 MHz BWP comprising five, 20 MHz subbands). The RedCap UE may support the bandwidth of the subbands but not the entire BWP. And 0290: The one or more RRC messages may be broadcast or multicast messages sent to all or multiple UEs of the cell. For example, the base station may send the one or more RRC messages to the reduced-bandwidth (RedCap) UEs of the cell. For example, the base station may send the configuration parameters indicating the plurality of subbands to the reduced-bandwidth (RedCap) UEs of the cell.). Re. Claim 60. D1 in view of Sun teaches claim 52. D1 further teaches before the start of the response window, transmitting an indication of a transmit bandwidth of the wireless communication device and/or a receive bandwidth of the wireless communication device (D1, 0294: For example, the wireless device may indicate (explicitly or implicitly) its bandwidth capability to the base station. For example, a reduced bandwidth UE may use a first set of PRACH resources dedicated to/configured for reduced bandwidth UEs of the same type. For example, the base station may configure the subbands (e.g., the SCS of subbands and/or the size/width of subbands and/or the number of subbands) for a wireless device in response to its indicated bandwidth capability.). Re. Claim 61. D1 in view of Sun teaches the method of claim 52, further comprising selecting, based on a transmit bandwidth of the wireless communication device, at least one of any one or more of: a time and/or frequency resource for the random access channel occasion in which the random access preamble is to be transmitted (D1, 0294: For example, a reduced bandwidth UE may use a first set of PRACH resources dedicated to/configured for reduced bandwidth UEs of the same type.). Re. Claim 62. D1 in view of Sun teaches claim 52. Yet, D1 does not explicitly teach receiving, from the wireless communication network, a random access configuration indicating the minimum number of symbols. However, in the related art, Sun teaches receiving, from the wireless communication network, a random access configuration indicating the minimum number of symbols (Sun, 0190: The RAR reception resources may be, but are not limited to, at least one of the start position of the RAR window, the length of the RAR window, the RNTI for descrambling the RAR, the PDCCH search space, and the control resource set CORESET. The fourth mapping relationship predefined or pre-configured by the base station may be agreed in advance between the UE and the base station, for example, through system information configuration or defined in the protocol in advance.). Therefore, it would have been obvious to a person of ordinary skill in the art before the effective filing date of the claimed invention to combine the invention of D1 with the method for defining an uplink and downlink time table of Sun. The resulting device would provide for supporting the operation of half duplex frequency division duplex UEs in NR (Sun, 0009-0010). Re. Claim 63. D1 in view of Sun teaches the method of claim 62, wherein the random access configuration is received from a first cell or on a first carrier, first band, or first frequency (D1, 0181: The contention-free random access procedure illustrated in FIG. 13B may be initiated for a beam failure recovery, other SI request, SCell addition, and/or handover. For example, a base station may indicate or assign to the UE the preamble to be used for the Msg 1 1321.), wherein the random access configuration is applicable for random access to a second cell or on a second carrier, second band, or second frequency (D1, 0168: A network may initiate a random access procedure for a handover and/or for establishing time alignment for an SCell addition.). Re. Claim 64. D1 in view of Sun teaches claim 52. Yet, D1 does not explicitly teach wherein the minimum number of symbols is 2, However, int the related art, Sun teaches wherein the minimum number of symbols is 2, In one example, the different conditions may be different subcarrier spacings. For example, UE retuning processing capability A requires an interval 1-A of one symbol and an interval 2-A of four symbols at 15 kHz subcarrier spacing (condition 1) and 60 kHz subcarrier spacing (condition 2). The base station may schedule for the UE according to the subcarrier spacing configured in the current BWP and the capability corresponding to the subcarrier spacing, for example, the base station may directly configure or indicate an appropriate spacing for the UE. Specifically, for example, the base station schedules the PUSCH for the UE with capability A on the BWP with subcarrier spacing of 15KHz, and indicates an interval frequency hopping interval of two symbols for the UE, where two symbols are larger than the interval 1-A required by the UE, which is one symbol. [Fig. 6A and Sun, 0195 show that the retuning process applies to the PRACH to RAR window timing as well as the PUSCH scheduling.]). Therefore, it would have been obvious to a person of ordinary skill in the art before the effective filing date of the claimed invention to combine the invention of D1 with the method for defining an uplink and downlink time table of Sun. The resulting device would provide for supporting the operation of half duplex frequency division duplex UEs in NR (Sun, 0009-0010). Re. Claim 65. D1 in view of Sun teaches claim 52. Yet, D1 does not explicitly teach determining the minimum number of symbols based on a subcarrier spacing for the response, and/or However, in the related art, Sun teaches determining the minimum number of symbols based on a subcarrier spacing for the response (Sun, 0133: The base station may schedule for the UE according to the subcarrier spacing configured in the current BWP and the capability corresponding to the subcarrier spacing, for example, the base station may directly configure or indicate an appropriate spacing for the UE.), and/or Therefore, it would have been obvious to a person of ordinary skill in the art before the effective filing date of the claimed invention to combine the invention of D1 with the method for defining an uplink and downlink time table of Sun. The resulting device would provide for supporting the operation of half duplex frequency division duplex UEs in NR (Sun, 0009-0010). Re. Claim 68. D1 in view of Sun teaches claim 52. Yet, D1 does not explicitly teach determining the minimum number of symbols as a function of: whether the wireless communication device is operating as a full-duplex device or a half- duplex device; and/or whether the wireless communication device is operating as a half-duplex Type A device or a half-duplex Type B device; and/or However, in the related art, Sun teaches determining the minimum number of symbols as a function of: whether the wireless communication device is operating as a full-duplex device or a half- duplex device (Sun, 0110: For a half duplex HD-FDD UE, if uplink and downlink share the same crystal oscillator, the UE will need a long time to retune due to different frequencies that the uplink and downlink are at. For example, for half duplex FD-FDD MTC (machine type communication) in an LTE system, users need one slot (1 millisecond) to retune. For a UE with an unshared crystal oscillator, it takes the time of 1-2 symbols to retune.); and/or whether the wireless communication device is operating as a half-duplex Type A device or a half-duplex Type B device (Sun, 0112: Among them, Type A HD-FDD has two oscillators, so the switching between uplink and downlink can be completed in a very short time (such as the first interval). However, Type B HD-FDD has only one oscillator. Due to the different uplink and downlink frequencies of an FDD system, a long time interval (such as the second interval) is needed for switching between uplink and downlink.); and/or Therefore, it would have been obvious to a person of ordinary skill in the art before the effective filing date of the claimed invention to combine the invention of D1 with the method for defining an uplink and downlink time table of Sun. The resulting device would provide for supporting the operation of half duplex frequency division duplex UEs in NR (Sun, 0009-0010). Re. Claim 69, D1 teaches a method performed by a radio network node of a wireless communication network (D1, 0018: FIG. 13A, FIG. 13B, and FIG. 13C respectively illustrate a four-step contention-based random access procedure, a two-step contention-free random access procedure, and another two-step random access procedure.), the method comprising: receiving, from a wireless communication device, a random access preamble (D1, Fig. 13A-B; 0169: The procedure illustrated in FIG. 13A comprises transmission of four messages: a Msg 1 1311, a Msg 2 1312, a Msg 3 1313, and a Msg 4 1314. The Msg 1 1311 may include and/or be referred to as a preamble (or a random access preamble). 0180: The procedure illustrated in FIG. 13B comprises transmission of two messages: a Msg 1 1321 and a Msg 2 1322. The Msg 1 1321 and the Msg 2 1322 may be analogous in some respects to the Msg 1 1311 and a Msg 2 1312 illustrated in FIG. 13A, respectively.) in a random access channel occasion (D1, 0174: The Msg 1 1311 may be transmitted to the base station via one or more PRACH occasions.) that comprises one or more symbols (D1, 0176: For example, the UE may start the time window one or more symbols after a last symbol of the preamble (e.g., at a first PDCCH occasion from an end of a preamble transmission). [A last symbol of the preamble implies the preamble/random access channel occasion comprises one or more symbols.]); and transmitting a response to the random access preamble within a response window (D1, 0176: The Msg 2 1312 received by the UE may include an RAR. 0176: After transmitting a preamble, the UE may start a time window (e.g., ra-ResponseWindow) to monitor a PDCCH for the Msg 2 1312.), wherein the response window starts in an earliest control resource set that begins at least a minimum number of symbols after the last symbol of the random access channel occasion (D1, 0118: For a downlink BWP in a set of configured downlink BWPs on a primary cell (PCell), a base station may configure a UE with one or more control resource sets (CORESETs) for at least one search space. A search space is a set of locations in the time and frequency domains where the UE may find control information. 0176: The UE may determine when to start the time window based on a PRACH occasion that the UE uses to transmit the preamble. For example, the UE may start the time window one or more symbols after a last symbol of the preamble (e.g., at a first PDCCH occasion from an end of a preamble transmission). [The PDCCH occasion is defined by the configured CORESET]). Yet, D1 does not explicitly teach wherein the minimum number of symbols is greater than one. However, in the related art, Sun teaches wherein the minimum number of symbols is greater than one (Sun, 0110: For example, for half duplex FD-FDD MTC (machine type communication) in an LTE system, users need one slot (1 millisecond) to retune.). Therefore, it would have been obvious to a person of ordinary skill in the art before the effective filing date of the claimed invention to combine the invention of D1 with the method for defining an uplink and downlink time table of Sun. The resulting device would provide for supporting the operation of half duplex frequency division duplex UEs in NR (Sun, 0009-0010). Re. Claim 70. Claim 70 is an apparatus claim corresponding to claim 52. Claim 70 does not further define over the limitations of claim 52. Therefore, claim 70 is rejected for similar reasons as set forth in claim 52. Re. Claim 71. Claim 71 is an apparatus claim corresponding to the method of claim 69. Claim 71 does not further define over the limitations of claim 69. Therefore, it is rejected for similar reasons as set for in claim 69. Allowable Subject Matter Claims 66-67 are objected to as being dependent upon a rejected base claim, but would be allowable if rewritten in independent form including all of the limitations of the base claim and any intervening claims. Re. Claim 66. The prior art of record fails to teach or suggest determining the minimum number of symbols as a function of R S , where R is a radio frequency re-tuning time of the wireless communication device, S is a subcarrier spacing for the response, and       is a ceiling function. For clarity, the prior art does not teach a minimum number of symbols based on the ceiling of the ratio of the radio frequency re-tuning time and the subcarrier spacing for the response. Re. Claim 67. The prior art of record fails to teach or suggest wherein a reference control resource set is an earliest control resource set that begins at least one symbol after the last symbol of the random access channel occasion, wherein the reference control resource set starts x symbols after the last symbol of the random access channel occasion, and wherein the method further comprising determining the minimum number of symbols as a function of R S - x , where R is a radio frequency re-tuning time of the wireless communication device, S is a subcarrier spacing for the response, and       is a ceiling function. For clarity, the prior art does not teach a minimum number of symbols based on the ceiling of the ratio of the radio frequency re-tuning time and the subcarrier spacing for the response. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to CASON H MORSE whose telephone number is (571)270-5235. The examiner can normally be reached 8:30-6:00 Mon.-Thurs., Fri. varies. 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, Rebecca Song can be reached at (571) 270-3667. 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. /C.H.M./Examiner, Art Unit 2417 /REBECCA E SONG/Supervisory Patent Examiner, Art Unit 2417
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Prosecution Timeline

Sep 05, 2023
Application Filed
Feb 05, 2026
Non-Final Rejection — §103 (current)

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Prosecution Projections

1-2
Expected OA Rounds
50%
Grant Probability
-12%
With Interview (-62.5%)
3y 1m
Median Time to Grant
Low
PTA Risk
Based on 6 resolved cases by this examiner. Grant probability derived from career allow rate.

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