Prosecution Insights
Last updated: October 26, 2026
Application No. 18/721,506

SIDELINK POSITIONING REFERENCE SIGNAL RESOURCE CANCELLATION

Final Rejection §102
Filed
Jun 18, 2024
Priority
Jan 13, 2022 — GR 20220100027 +1 more
Examiner
GHULAMALI, QUTBUDDIN
Art Unit
2632
Tech Center
2600 — Communications
Assignee
Qualcomm Incorporated
OA Round
2 (Final)
85%
Grant Probability
Favorable
3-4
OA Rounds
1m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 85% — above average
85%
Career Allowance Rate
939 granted / 1101 resolved
+23.3% vs TC avg
Strong +19% interview lift
Without
With
+19.0%
Interview Lift
resolved cases with interview
Typical timeline
2y 6m
Avg Prosecution
28 currently pending
Career history
1141
Total Applications
across all art units

Statute-Specific Performance

§101
7.5%
-32.5% vs TC avg
§103
41.3%
+1.3% vs TC avg
§102
26.2%
-13.8% vs TC avg
§112
20.2%
-19.8% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1101 resolved cases

Office Action

§102
DETAILED ACTION 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 . This action is in response to amendment filed 07/22/2026. Response to Remarks/Amendment Applicant's remark (page 9-10) filed July 22, 2026, has been fully considered, However, remarks with reference to claims 1, 8, 16 and 23, found not persuasive. Applicant argues that prior art Hosseini does not disclose or suggest, determining that an SL-PRS resource should be canceled or rescheduled, as recited in claims 1, 8, 16 and 23, or sending a sidelink cancellation indication (SLCI) indicating the at least one SL-PRS resource to be cancelled or rescheduled, as recited in claims 1 and 16. Examiner respectfully disagrees. Hosseini discloses allocation of allocated resources that define an uplink channel in a first downlink control information (DCI) carried over a downlink channel, receiving an uplink cancellation indication (ULCI), in a second DCI, identifying at least a portion of the allocated resources that are canceled for use as the uplink channel, ….. and canceling any uplink transmission scheduled for the at least the portion of the allocated resources after waiting at least the processing time. It is further disclosed, for example, HARQ feedback information may be transmitted in a physical sidelink feedback channel (PSFCH) within the slot 310 from the receiving sidelink device to the transmitting sidelink device. In addition, one or more reference signals, such as a sidelink SSB, a sidelink CSI-RS, a sidelink SRS, and/or a sidelink positioning reference signal (PRS) may be transmitted within the slot 310. A physical downlink control channel (PDCCH) may be used to transmit the DCI. PDCCHs may be located in predefined regions of a radio frame. In one example, each downlink subframe of a UL/DL configuration may include DCI, …… DCI format 2_4, which is a format that may be used to notify a group of scheduled entities (e.g., wireless communication devices, UEs) of the physical resource block(s) (PRB(s)) and OFDM symbol(s) where each respective scheduled entity may assume no transmission is intended for the respective scheduled entity and may also be used to identify the PRB(s) and OFDM symbol(s) that have been canceled for UL use (if previously scheduled by a scheduling entity). In other words, DCI format 2_4 may include an uplink cancellation indication (ULCI) that may indicate the cancellation of a scheduled entity's use of a given resource for UL transmissions. A scheduling entity may cancel (or preempt) UL resources previously intended for use by the scheduled entity if, for example, the scheduling entity has other transmissions of a higher priority that it now intends to convey over the resources preempted from use by the scheduled entity. As noted above, for example, in sidelink communication over a sidelink carrier via a proximity service (ProSe) PC5 interface, the control region 312 of the slot 310 may include a physical sidelink control channel (PSCCH) including sidelink control information (SCI) transmitted by an initiating (transmitting) sidelink device. An OFDM resource grid in fig. 5, shows resources utilized for exemplary uplink cancellation indication (ULCI) according to some aspects of the disclosure of an uplink cancellation indication 500. Note that downlink control information (DCI) and uplink cancellation indication (ULCI) messages that may be used to allocate resources defining uplink channels to one or a group of scheduled entities, and to cancel at least a portion of the allocated resources for the defined uplink channels is exemplified in Fig. 2) (para. 0073, 0077, 0078, 0079). In view of the above provided explanation examiner believes applicant’s attempt to overcome the rejection seems not persuasive, the rejection has been maintained. Claim Rejections - 35 USC § 102 In the event the determination of the status of the application as subject to AIA 35 U.S.C. 102 and 103 (or as subject to pre-AIA 35 U.S.C. 102 and 103) is incorrect, any correction of the statutory basis (i.e., changing from AIA to pre-AIA ) for the rejection will not be considered a new ground of rejection if the prior art relied upon, and the rationale supporting the rejection, would be the same under either status. The following is a quotation of the appropriate paragraphs of 35 U.S.C. 102 that form the basis for the rejections under this section made in this Office action: A person shall be entitled to a patent unless – (a)(1) the claimed invention was patented, described in a printed publication, or in public use, on sale, or otherwise available to the public before the effective filing date of the claimed invention. Claim(s) 1-30, is/are rejected under 35 U.S.C. 102(a)(2) as being anticipated by Hosseini et al (hereinafter Hosseini) (US 2021/0329679). Regarding claims 1, 8, 16, 23, Hosseini discloses a method (apparatus) of wireless communication performed by a network entity, the method comprising: determining that at least one sidelink positioning reference signal (SL-PRS) resource should be cancelled or rescheduled (for example, in sidelink communication over a sidelink carrier via a proximity service (ProSe) PC5 interface, the control region 312 of the slot 310 may include a physical sidelink control channel (PSCCH) including sidelink control information (SCI) transmitted by an initiating (transmitting) sidelink device. An OFDM resource grid in fig. 5, shows resources utilized for exemplary uplink cancellation indication (ULCI) according to some aspects of the disclosure of an uplink cancellation indication 500) (para. 0073, 0077, 0078); and sending, to at least one user equipment (UE), a sidelink cancellation indication (SLCI) indicating the at least one SL-PRS resource to be cancelled or rescheduled (the scheduling entity may transmit an uplink cancellation indication (ULCI), in a second DCI, to the group of scheduled entities identifying at least a portion of the allocated resources that are canceled for use as the uplink channel. For example, the ULCI may identify at least some resource blocks and OFDM symbols in the allocated resources that are canceled for use as the uplink channel) (paras. 0071, 0073, 0077-0078, 0151). Hosseini further discloses one or more processors (represented generally by the processor 804), a memory 808, and a transceiver (element 814) (paras. 0131, 0135). Regarding claims 2, 9, 11, 17, 26, Hosseini discloses determining that the at least one SL-PRS resource should be used instead for a higher priority uplink, downlink, or sidelink communication (A scheduling entity may cancel (or preempt) UL resources previously intended for use by the scheduled entity if, for example, the scheduling entity has other transmissions of a higher priority that it now intends to convey over the resources preempted from use by the scheduled entity) (para. 0079). Regarding claims 3, 12, 18, 27, Hosseini discloses The method of claim 1, wherein determining that at least one SL-PRS resource should be cancelled or rescheduled comprises determining that the at least one SL-PRS resource should be rescheduled instead of cancelled, based on a determination that: fewer than a configured number of SL-PRS instances were performed; the at least one SL-PRS resource is part of an on-demand SL-PRS (feedback information may be transmitted in a physical sidelink feedback channel (PSFCH) within the slot 310 from the receiving sidelink device to the transmitting sidelink device. In addition, one or more reference signals, such as a sidelink SSB, a sidelink CSI-RS, a sidelink SRS, and/or a sidelink positioning reference signal (PRS) may be transmitted within the slot 310) (para. 0073); or the at least one SL-PRS resource is part of a round-trip time (RTT) pair of measurements. Regarding claims 4, 10, 19, 25, Hosseini discloses wherein sending the SLCI comprises sending the SLCI as part of downlink control information (DCI) (downlink control information (DCI) and uplink cancellation indication (ULCI) messages that may be used to allocate resources defining uplink channels to one or a group of scheduled entities, and to cancel at least a portion of the allocated resources for the defined uplink channels) (paras. 0078, 0139). Regarding claims 5, 20, Hosseini discloses sending the SLCI to the UE that is configured to transmit SL-PRS signals over the at least one SL-PRS resource (para. 0139). Regarding claims 6, 21, Hosseini discloses sending the SLCI to a UE that is configured to receive the SL-PRS signals transmitted over the at least one SL-PRS resource (processing circuitry 1241 may also be configured to receive and process a message from the scheduling entity, such as a DCI allocating an uplink channel and a ULCI canceling at least a portion of the resources allocated for the uplink channel. In some examples, the communication and processing circuitry 1241 may include one or more hardware components that provide the physical structure that performs processes related to wireless communication (e.g., signal reception and/or signal transmission) and signal processing) (para. 0182). Regarding claims 7, 15, 22, 30, Hosseini discloses a specific SL-PRS resource; one occasion of a specific SL-PRS resource set; all occasions of a specific SL-PRS resource set; or all SL-PRS resources within a defined window of time (paras. 0099, 0184). Regarding claims 13, 28, Hosseini discloses wherein cancelling or rescheduling the at least one SL- PRS resource comprises at least one of: cancelling SL-PRS transmissions within the at least one SL-PRS resource (para. 0118); not performing measurements of SL-PRS transmissions within the at least one SL-PRS resource; or discarding measurements previously made of SL-PRS transmissions within the at least one SL-PRS resource. Regarding claims 14, 24, 29, Hosseini discloses sending, to at least one sidelink peer UE, a sidelink cancellation indication (SLCI) indicating the at least one SL-PRS resource to be cancelled or rescheduled (in sidelink communication over a sidelink carrier via a proximity service (ProSe) PC5 interface, the control region 312 of the slot 310 may include a physical sidelink control channel (PSCCH) including sidelink control information (SCI) transmitted by an initiating (transmitting) sidelink device. An OFDM resource grid in fig. 5, shows resources utilized for exemplary uplink cancellation indication (ULCI) according to some aspects of the disclosure of an uplink cancellation indication 500) (para. 0073, 0077, 0078). Conclusion THIS ACTION IS MADE FINAL. Applicant is reminded of the extension of time policy as set forth in 37 CFR 1.136(a). A shortened statutory period for reply to this final action is set to expire THREE MONTHS from the mailing date of this action. In the event a first reply is filed within TWO MONTHS of the mailing date of this final action and the advisory action is not mailed until after the end of the THREE-MONTH shortened statutory period, then the shortened statutory period will expire on the date the advisory action is mailed, and any nonprovisional extension fee (37 CFR 1.17(a)) pursuant to 37 CFR 1.136(a) will be calculated from the mailing date of the advisory action. In no event, however, will the statutory period for reply expire later than SIX MONTHS from the mailing date of this final action. Any inquiry concerning this communication or earlier communications from the examiner should be directed to QUTBUDDIN GHULAMALI whose telephone number is (571) 272-3014. The examiner can normally be reached 7:30am to 4:00pm. 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, Chieh Fan can be reached at 571 272 3042. 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. /QUTBUDDIN GHULAMALI/ Primary Examiner, Art Unit 2632.
Read full office action

Prosecution Timeline

Jun 18, 2024
Application Filed
Apr 29, 2026
Non-Final Rejection mailed — §102
Jul 22, 2026
Response Filed
Sep 29, 2026
Final Rejection mailed — §102 (current)

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Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

3-4
Expected OA Rounds
85%
Grant Probability
99%
With Interview (+19.0%)
2y 6m (~1m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 1101 resolved cases by this examiner. Grant probability derived from career allowance rate.

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