Prosecution Insights
Last updated: August 16, 2026
Application No. 18/564,689

REFERENCE SIGNALLING FOR WIRELESS COMMUNICATION NETWORK

Final Rejection §102
Filed
Nov 28, 2023
Priority
Jun 02, 2021 — nonprovisional of PCTSE2021050519
Examiner
HEIBER, SHANTELL LAKETA
Art Unit
2645
Tech Center
2600 — Communications
Assignee
Telefonaktiebolaget LM Ericsson
OA Round
2 (Final)
77%
Grant Probability
Favorable
3-4
OA Rounds
4m
Est. Remaining
97%
With Interview

Examiner Intelligence

Grants 77% — above average
77%
Career Allowance Rate
626 granted / 809 resolved
+15.4% vs TC avg
Strong +20% interview lift
Without
With
+19.8%
Interview Lift
resolved cases with interview
Typical timeline
3y 0m
Avg Prosecution
31 currently pending
Career history
843
Total Applications
across all art units

Statute-Specific Performance

§101
5.5%
-34.5% vs TC avg
§103
58.7%
+18.7% vs TC avg
§102
25.6%
-14.4% vs TC avg
§112
4.4%
-35.6% vs TC avg
Black line = Tech Center average estimate • Based on career data from 809 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 . Response to Arguments Applicant’s arguments with respect to the claim(s) have been considered but are moot because the new ground of rejection does not rely on any reference applied in the prior rejection of record for any teaching or matter specifically challenged in the argument. 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) 1-10 and 12-21 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Frenne et al. (Frenne), U.S. Publication No. 2019/0150007. Regarding Claims 1, 2 and 10, Frenne discloses a method of operating a feedback radio node in a wireless communication network, the method comprising: receiving, a signaling structure with a control information message (i.e., DL data scheduling DCI message also referred to as a scheduling DCI message; see paragraph [0046]) comprising a timing indication represented by a bit field to indicate a timing of reference signaling (i.e., The DCI bit field represents the delay value e.g. denoted as k_HARQ_i, wherein i=0, 1, 2, 3, defining a subframe offset relative to the subframe for which the wireless device 10 receives the DCI, assuming an example of 4 values. See table A.; see paragraphs [0047] and [0056]); scheduling the reference signaling for reception based on the control information message (i.e., The wireless device 10 then transmits UL data, as scheduled, i.e. after the delay value has passed.; see paragraph [0058]); and transmitting a report of measurements performed on the reference signaling (i.e., Uplink transmission types may e.g. be HARQ-ACK/NACK, data transmission on PUSCH, measurement reports…; see paragraph [0060]). Regarding Claims 3 and 4, Frenne discloses a method of operating a signalling radio node in a wireless communication network, the method comprising: scheduling, by a control information message of a signalling structure (i.e., DL data scheduling DCI message also referred to as a scheduling DCI message; see paragraph [0046]), reception of a set of groups of reference signalling by the feedback radio node (i.e., …in uplink, e.g. in 5G, a dynamic or adjusted scheduling delay, k, indicating a time from a subframe where a scheduling message is received in the downlink to a subframe where an uplink transmission is transmitted, may be introduced, for example; indicating when DL HARQ-ACK, i.e. the ACK or NACK response from the wireless device which has received a DL data transmission, is scheduled by the radio network node, see example in FIG. 1, and when UL PUSCH is scheduled by the radio network node.; see paragraph [0032] and figure 1), the control information message comprising a timing indication represented by a bit field to indicate a timing of reference signalling, associated to the signalling structure (i.e., The DCI bit field represents the delay value e.g. denoted as k_HARQ_i, wherein i=0, 1, 2, 3, defining a subframe offset relative to the subframe for which the wireless device 10 receives the DCI, assuming an example of 4 values. See table A.; see paragraphs [0047] and [0056]); and transmitting the signalling structure to the feedback radio node (i.e., Uplink transmission types may e.g. be HARQ-ACK/NACK, data transmission on PUSCH, measurement reports…; see paragraph [0060]). Regarding Claims 5, 12 and 17, Frenne discloses wherein the control information message schedules data signalling to be received by the feedback radio node (see paragraph [0032] and figure 1). Regarding Claims 6, 13 and 18, Frenne discloses wherein the control information message schedules data signalling for transmission by the feedback radio node (see paragraph [0032] and figure 1). Regarding Claims 7, 14 and 19, Frenne discloses wherein the timing indication schedules the reference signalling later in time than data signalling to be received by the feedback radio node, wherein a time interval Tguard is between the end of the data signalling and the beginning of the reference signalling (see paragraph [0032] and figure 1). Regarding Claims 8, 15 and 20, Frenne discloses wherein the reference signalling represents Channel State Information Reference Signalling, CSI- RS (see paragraph [0032]). Regarding Claims 9, 16 and 21, Frenne discloses wherein the control information message, and data signalling and reference signalling scheduled by the control information message are associated to the same signalling structure (see paragraph [0032]). 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 SHANTELL LAKETA HEIBER whose telephone number is (571)272-0886. The examiner can normally be reached on M-F from 9am to 5pm. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Anthony Addy, can be reached at telephone number 571-272-7795. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of an application may be obtained from Patent Center. Status information for published applications may be obtained from Patent Center. Status information for unpublished applications is available through Patent Center for authorized users only. Should you have questions about access to Patent Center, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). 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) Form at https://www.uspto.gov/patents/uspto-automated- interview-request-air-form. /SHANTELL L HEIBER/Primary Examiner, Art Unit 2645 July 20, 2026
Read full office action

Prosecution Timeline

Nov 28, 2023
Application Filed
Nov 21, 2025
Non-Final Rejection mailed — §102
May 21, 2026
Response Filed
Jul 23, 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
77%
Grant Probability
97%
With Interview (+19.8%)
3y 0m (~4m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 809 resolved cases by this examiner. Grant probability derived from career allowance rate.

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