Prosecution Insights
Last updated: April 19, 2026
Application No. 18/254,528

DETERMINATION OF REFERENCE SIGNAL RESOURCES IN MULTI-TRANSMISSION RECEPTION POINT UPLINK SCHEMES

Final Rejection §103
Filed
May 25, 2023
Examiner
NGUYEN, TU X
Art Unit
2642
Tech Center
2600 — Communications
Assignee
Nokia Technologies Oy
OA Round
2 (Final)
85%
Grant Probability
Favorable
3-4
OA Rounds
2y 9m
To Grant
92%
With Interview

Examiner Intelligence

Grants 85% — above average
85%
Career Allow Rate
763 granted / 899 resolved
+22.9% vs TC avg
Moderate +7% lift
Without
With
+6.6%
Interview Lift
resolved cases with interview
Typical timeline
2y 9m
Avg Prosecution
25 currently pending
Career history
924
Total Applications
across all art units

Statute-Specific Performance

§101
2.3%
-37.7% vs TC avg
§103
47.1%
+7.1% vs TC avg
§102
42.3%
+2.3% vs TC avg
§112
2.0%
-38.0% vs TC avg
Black line = Tech Center average estimate • Based on career data from 899 resolved cases

Office Action

§103
DETAILED ACTION 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. Claims 42, 45, 55 are 58 are rejected under 35 U.S.C. 103 as being unpatentable over Cirik (US Pub. 20220030620) in view of Yang (US Pub. 2020/0015229). Regarding claims 42 and 55, Cirik discloses an apparatus, comprising: at least one processor; and at least one memory comprising computer program code, the at least one memory and the computer program code are configured, with the at least one processor (par.0190), to cause the apparatus at least to detect that a pathloss reference reference-signal is not provided (par.0242, 0253 “the uplink resource not being provided with at least one pathloss reference”); determine a first reference signal resource and a second reference signal resource as a result of the detecting (par.0310 “the first reference signal may comprising a downlink pathloss estimate”, par.0311 “the second reference signal may comprising a downlink pathloss estimate”); calculate two pathloss values using the first reference signal resource and the second reference signal resource (par.0310-311 “calculating…..a first downlink pathloss”, “calculating…..a second downlink pathloss”); and perform separate uplink power control for repetitions or transmissions toward different transmission reception points according to the two pathloss values (par.0216 “PUSCH transmission repletion to multiple TRPs”, par.0310-311 “the first transmission power based on the first reference signal”, “the second transmission power passed on the second reference signal”). Cirik discloses communicate via multiple TRPs….first repetition(s)…to a first TRP…..second repetitions(s)……to a second TRP”, par.0211 “A base station may schedule uplink transmission via a plurality of TRPs” (par.0201). However, Cirik is specific for multi-transmission reception point uplink repetition or transmission scheme. Yang discloses multi-transmission reception point uplink repetition or transmission scheme (par.005). Therefore, it would have been obvious to one of ordinary skill in the art before the effective filing date to modify the system of Cirik with the above teaching of Yang in order to provide transmitting feedback to at least on of the TRPs based on downlink control signaling and a coordinated transmission mode in which the UE is configured to operate. The modified Cirik disclsoes determination of the first reference signal resource and the second reference signal resource depends at least partially on at least one of: a transmission reception point scheme in downlink (consideration is optional), or a transmission configuration indicator state or a qluasi co-location assumption of at least one control resource set or transmission configuration indicator state of a physical downlink shared channel (Cirik par.0267 “the first CORESET bing quasi co-located with the first reference signal indicated by the first TCI state”), and wherein the transmission reception point scheme in downlink comprises at least one of: a multi-downlink control information multi-transmission reception point scheme (consideration is optional), a single-downlink control information multi-transmission reception point scheme (consideration is optional), a single transmission reception point based physical downlink shared channel reception scheme (Yang, par.0160), or a physical downlink control channel repetition scheme with multi- transmission reception point (consideration is optional), and wherein, in case of the multi-downlink control information multi-transmission reception point scheme, the first reference signal resource and the second reference signal resource are determined to be a reference signal of the transmission configuration indicator state of the latest physical downlink shared channel scheduled by a physical downlink control channel on a control resource set in the control resource set pool with control resource set pool index value of 0, and a reference signal of the transmission configuration indicator state of a latest physical downlink shared channel scheduled by a physical downlink control channel on a control resource set in the control resource set pool with control resource set pool index value of 1, respectively (consideration is optional). Regarding claims 45 and 58, the modified Cirik discloses in case of the multi-downlink control information multi-transmission reception point scheme, the first reference signal resource is a reference signal of a transmission configuration indicator or a quasi co-location assumption of a control resource set with a lowest control resource set index in a control resource set pool with a control resource set pool index value of 0, and the second reference signal resource is a reference signal of the transmission configuration indicator or the quasi co-location assumption of the control resource set with a lowest control resource set index in the control resource set pool with a control resource set pool index value of 1 (Cirik, par.0213, 262). Allowable Subject Matter Claims 49-54 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. Conclusion Applicant's amendment necessitated the new ground(s) of rejection presented in this Office action. Accordingly, THIS ACTION IS MADE FINAL. See MPEP § 706.07(a). 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 Examiner Tu Nguyen whose telephone number is (571)272-7883. The examiner can normally be reached on 8AM-5PM Eastern Time. 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 Rafael Perez-Gutierrez can be reached on 571-272-791515. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300 or mailed to: Commissioner for Patents P.O. Box 1450 Alexandria, VA 22313-1450 Hand-delivered responses should be brought to Customer Service Window Randolph Building 401 Delany Street Alexandria, VA 22314 Information regarding the status of an application may be obtained from the Patent Application Information Retrieval (PAIR) system. Status information for published applications may be obtained from either Private PAIR or Public PAIR. Status information for unpublished applications is available through Private PAIR only. For more information about the PAIR system, see http://pair-direct.uspto.gov. Should you have questions on access to the Private PAIR system, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative or access to the automated information system, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. /TU X NGUYEN/ Primary Examiner, Art Unit 2642
Read full office action

Prosecution Timeline

May 25, 2023
Application Filed
Nov 03, 2025
Non-Final Rejection — §103
Feb 04, 2026
Response Filed
Feb 16, 2026
Final Rejection — §103 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12598551
USER EQUIPMENT, BASE STATION, AND METHODS THEREOF, READABLE STORAGE MEDIUM
2y 5m to grant Granted Apr 07, 2026
Patent 12581421
METHOD FOR DETERMINING A SENDING POWER OF AN UPLINK ELEMENT, AND DEVICE
2y 5m to grant Granted Mar 17, 2026
Patent 12574868
TRANSMIT POWER CONTROL CONFIGURATION FOR PHYSICAL UPLINK CONTROL CHANNEL REPETITION ACROSS MULTIPLE COMPONENT CARRIERS
2y 5m to grant Granted Mar 10, 2026
Patent 12574857
SYSTEMS AND METHODS FOR OPTIMIZING SIGNAL POWER
2y 5m to grant Granted Mar 10, 2026
Patent 12557031
POWER CONTROL FOR UPLINK TRANSMISSIONS TOWARDS MULTIPLE TRPs
2y 5m to grant Granted Feb 17, 2026
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
92%
With Interview (+6.6%)
2y 9m
Median Time to Grant
Moderate
PTA Risk
Based on 899 resolved cases by this examiner. Grant probability derived from career allow rate.

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