Prosecution Insights
Last updated: April 19, 2026
Application No. 18/574,251

METHOD AND APPARATUS FOR RECEIVING MULTICAST DATA BY USER EQUIPMENT IN WIRELESS COMMUNICATION SYSTEM

Non-Final OA §102§103
Filed
Dec 26, 2023
Examiner
BROCKMAN, ANGEL T
Art Unit
2412
Tech Center
2400 — Computer Networks
Assignee
LG Electronics Inc.
OA Round
1 (Non-Final)
82%
Grant Probability
Favorable
1-2
OA Rounds
2y 9m
To Grant
88%
With Interview

Examiner Intelligence

Grants 82% — above average
82%
Career Allow Rate
593 granted / 726 resolved
+23.7% vs TC avg
Moderate +6% lift
Without
With
+6.5%
Interview Lift
resolved cases with interview
Typical timeline
2y 9m
Avg Prosecution
18 currently pending
Career history
744
Total Applications
across all art units

Statute-Specific Performance

§101
7.3%
-32.7% vs TC avg
§103
53.5%
+13.5% vs TC avg
§102
22.9%
-17.1% vs TC avg
§112
4.7%
-35.3% vs TC avg
Black line = Tech Center average estimate • Based on career data from 726 resolved cases

Office Action

§102 §103
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 . Claim Rejections - 35 USC § 102 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) 1-4,7-10,and 13-14are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Anderson et al.(WO 2013/096555 A1, hereinafter Anderson). Regarding claim 1, Anderson discloses a method for receiving data units by a user equipment (UE) in a wireless communication system, the method comprising: receiving a first data unit based on a Group-Radio network temporary identifier (G-RNTI) from a network(page 49, line1-11, wherein the CSR-gRNTI includes the G-RNTI)s; decoding the first data unit and identifying a logical channel related to the first data unit based on the G-RNTI (figure 23), ; based on decoding the first data unit failing, transmitting a negative response related to the first data unit to the network(page 33, lines 4-9, wherein the not received includes the negative response and the retry includes the decoding and selection of other resources, page 62, lines 22-32 includes the NACK); receiving a second data unit based on a Cell-RNTI (C-RNTD) from a network; decoding the second data unit; and based on the second data unit being a retransmitted data unit of the first data unit, identifying the logical channel based on the G-RNTI ( figure 22,page36, lines 20-22, wherein the other resource includes the CRNTD from a network, page 49, lines 15-35 wherein the group addressing includes the second data being identified based on the CSR-gRNTI). Regarding claim 2, Anderson discloses based on the second data unit not being a retransmitted data unit of the first data unit, identifying the logical channel based on the C-RNTI (page 49, lines 1-10 wherein the reconfiguration is based on the csr-Rnti includes the c-RNTI not related to the group). Regarding claim 3, Anderson discloses wherein the first data unit comprises a broadcasted data unit(figure 17, page 38, lines 12-16, point to multipoint) , and the second data unit comprises a unicasted data unit (figure 17, page 38, lines 14-15 , point to point). Regarding claim 4, Anderson discloses based on decoding the retransmitted data unit succeeding, transferring the second data unit through the logical channel to an upper layer (page 38, lines 20-28). Regarding claim 7, Anderson discloses a user equipment (UE) in a wireless communication system, the UE comprising: at least one transceiver; at least one processor; and at least one computer memory operably connectable to the at least one processor and storing instructions that, when executed, cause the at least one processor to perform operations comprising: receiving a first data unit based on a Group-Radio network temporary identifier (G-RNTI) from a network( page 49, line1-11, wherein the CSR-gRNTI includes the G-RNTI); decoding the first data unit and identifying a logical channel related to the first data unit based on the G-RNTI (figure 23); based on decoding the first data unit failing, transmitting a negative response related to the first data unit to the network (page 33, lines 4-9, wherein the not received includes the negative response and the retry includes the decoding and selection of other resources, page 62, lines 22-32 includes the NACK); receiving a second data unit based on a Cell-RNTI (C-RNTD from a network; decoding the second data unit; and based on the second data unit being a retransmitted data unit of the first data unit, identifying the logical channel based on the G-RNTI ( figure 22,page36, lines 20-22, wherein the other resource includes the CRNTD from a network, page 49, lines 15-35 wherein the group addressing includes the second data being identified based on the CSR-gRNTI). Regarding claim 8, Anderson discloses , wherein the operations further comprise: based on the second data unit not being a retransmitted data unit of the first data unit, identifying the logical channel based on the C-RNTI (page 49, lines 1-10 wherein the reconfiguration is based on the csr-Rnti includes the c-RNTI not related to the group). Regarding claim 9, Anderson discloses wherein the first data unit comprises a broadcasted data unit,( figure 17, page 38, lines 12-16, point to multipoint) , and the second data unit comprises a unicasted data unit (figure 17, page 38, lines 14-15 , point to point). Regarding claim 10, Anderson discloses wherein the operations further comprise: based on decoding the retransmitted data unit succeeding, transferring the second data unit through the logical channel to an upper layer (page 38, lines 20-28). Regarding claim 13, Anderson discloses a user equipment (UE), the apparatus comprising: at least one processor; and at least one computer memory operably connectable to the at least one processor and storing instructions that, when executed, cause the at least one processor to perform operations comprising: receiving a first data unit based on a Group-Radio network temporary identifier (G-RNTI) from a network ( page 49, line1-11, wherein the CSR-gRNTI includes the G-RNTI); decoding the first data unit and identifying a logical channel related to the first data unit based on the G-RNTI (figure 23); based on decoding the first data unit failing, transmitting a negative response related to the first data unit to the network; receiving a second data unit based on a Cell-RNTI (C-RNTD) from a network; decoding the second data unit; and based on the second data unit being a retransmitted data unit of the first data unit, identifying the logical channel based on the G-RNTI ( figure 22,page36, lines 20-22, wherein the other resource includes the CRNTD from a network, page 49, lines 15-35 wherein the group addressing includes the second data being identified based on the CSR-gRNTI). Regarding claim 14, Anderson discloses a computer readable storage medium storing at least one computer program comprising instructions that, when executed by at least one processor, cause the at least one processor to perform operations for a user equipment (UE), the operations comprising: receiving a first data unit based on a Group-Radio network temporary identifier (G-RNTI) from a network; decoding the first data unit and identifying a logical channel related to the first data unit based on the G-RNTI (figure 23); based on decoding the first data unit failing, transmitting a negative response related to the first data unit to the network (page 33, lines 4-9, wherein the not received includes the negative response and the retry includes the decoding and selection of other resources, page 62, lines 22-32 includes the NACK); receiving a second data unit based on a Cell-RNTI (C-RNTD from a network; decoding the second data unit; and based on the second data unit being a retransmitted data unit of the first data unit, identifying the logical channel based on the G-RNTI ( figure 22,page36, lines 20-22, wherein the other resource includes the CRNTD from a network, page 49, lines 15-35 wherein the group addressing includes the second data being identified based on the CSR-gRNTI). 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 Cerson 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 5-6 and 11-12 are rejected under 35 U.S.C. 103 as being unpatentable over Anderson et al.(WO 2013/096555 A1, hereinafter Anderson) in view of Kadiri et al. (US 2021/0068004 A1, hereinafter Kadiri). Regarding claims 5 and 11, Anderson discloses all subject matter of the claimed invention with the exception of wherein identifying the logical channel comprises identifying the logical channel from a logical channel pool related to the G-RNTI. Kadiri discloses wherein identifying the logical channel comprises identifying the logical channel from a logical channel pool related to the G-RNTI (¶[0058, wherein the LCID includes the logical channel pool). Thus, it would have been obvious to one of ordinary skill in the art prior to the effective filing date of the invention to make the proposed modification of the logical channel pool as disclosed by Kadiri along with the system of Anderson. The logical channel pool may be implemented through software to provide for transmission (¶[0058], Kadiri). Regarding claims 6 and 12, Anderson discloses all subject matter of the claimed invention with the exception of wherein a header of each of the first and second data units includes a field related to a logical channel identifier, and the logical channel identifier identifies the logical channel from the logical channel pool related to the G-RNTI. Kadiri discloses wherein a header of each of the first and second data units includes a field related to a logical channel identifier, and the logical channel identifier identifies the logical channel from the logical channel pool related to the G-RNTI (¶[0056],¶[0062]). Thus, it would have been obvious to one of ordinary skill in the art prior to the effective filing date of the invention to make the proposed modification of the logical channel pool as disclosed by Kadiri along with the system of Anderson. The logical channel pool may be implemented through software to provide for transmission (¶[0058], Kadiri). Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to ANGEL T BROCKMAN whose telephone number is (571)270-5664. The examiner can normally be reached Monday-Thursday 6:00AM-4:30 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, Charles Jiang can be reached at 571-270-7191. 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. /ANGEL T BROCKMAN/Examiner, Art Unit 2412
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Prosecution Timeline

Dec 26, 2023
Application Filed
Dec 23, 2025
Non-Final Rejection — §102, §103 (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

1-2
Expected OA Rounds
82%
Grant Probability
88%
With Interview (+6.5%)
2y 9m
Median Time to Grant
Low
PTA Risk
Based on 726 resolved cases by this examiner. Grant probability derived from career allow rate.

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