Prosecution Insights
Last updated: October 04, 2026
Application No. 18/266,727

METHOD AND APPARATUS FOR DATA USAGE REPORT IN A BEARER CONTEXT MODIFICATION REQUEST

Non-Final OA §112
Filed
Jun 12, 2023
Priority
Apr 21, 2023 — nonprovisional of PCTUS2023019325
Examiner
NGUYEN, THE HY
Art Unit
2478
Tech Center
2400 — Computer Networks
Assignee
Rakuten Symphony Inc.
OA Round
3 (Non-Final)
74%
Grant Probability
Favorable
3-4
OA Rounds
0m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 74% — above average
74%
Career Allowance Rate
244 granted / 328 resolved
+16.4% vs TC avg
Strong +31% interview lift
Without
With
+31.3%
Interview Lift
resolved cases with interview
Typical timeline
2y 8m
Avg Prosecution
36 currently pending
Career history
358
Total Applications
across all art units

Statute-Specific Performance

§101
2.9%
-37.1% vs TC avg
§103
60.2%
+20.2% vs TC avg
§102
20.2%
-19.8% vs TC avg
§112
15.3%
-24.7% vs TC avg
Black line = Tech Center average estimate • Based on career data from 328 resolved cases

Office Action

§112
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 . Continued Examination Under 37 CFR 1.114 A request for continued examination under 37 CFR 1.114, including the fee set forth in 37 CFR 1.17(e), was filed in this application after final rejection. Since this application is eligible for continued examination under 37 CFR 1.114, and the fee set forth in 37 CFR 1.17(e) has been timely paid, the finality of the previous Office action has been withdrawn pursuant to 37 CFR 1.114. Applicant's submission filed on 03/23/2026 has been entered. Response to Arguments Applicant’s corrections filed 02/23/2026 with respect to claim objections for claim(s) 21 made on 10/23/2025 have been considered and the objection to the claim is withdrawn. In view of the amendments and arguments filed 02/23/2026, the previous rejection under 103 based on Yokoyama et al. (US 2019/0174342 A1) and Wang et al. (US 2024/0205875 A1) for claim(s) 1-3, 7-10, 14-17, and 21-22 has/have been withdrawn. Claim Rejections - 35 USC § 112 The following is a quotation of the first paragraph of 35 U.S.C. 112(a): (a) IN GENERAL.—The specification shall contain a written description of the invention, and of the manner and process of making and using it, in such full, clear, concise, and exact terms as to enable any person skilled in the art to which it pertains, or with which it is most nearly connected, to make and use the same, and shall set forth the best mode contemplated by the inventor or joint inventor of carrying out the invention. The following is a quotation of the first paragraph of pre-AIA 35 U.S.C. 112: The specification shall contain a written description of the invention, and of the manner and process of making and using it, in such full, clear, concise, and exact terms as to enable any person skilled in the art to which it pertains, or with which it is most nearly connected, to make and use the same, and shall set forth the best mode contemplated by the inventor of carrying out his invention. Claim(s) 1-3, 7-10, 14-17, and 21-22 is/are rejected under 35 U.S.C. 112(a) or 35 U.S.C. 112 (pre-AIA ), first paragraph, as failing to comply with the written description requirement. The claim(s) contains subject matter which was not described in the specification in such a way as to reasonably convey to one skilled in the relevant art that the inventor or a joint inventor, or for pre-AIA the inventor(s), at the time the application was filed, had possession of the claimed invention. Independent claims 1, 8, and 15 recite the claim limitation “the bearer context modification request including the information element requesting the data usage report being transmitted in an event of a bearer being an unacknowledged mode (UM) bearer and data forwarding information not requested by a third network node.” However, only paragraph [0052] of Applicant’s specification (reproduced below) discloses “(UM) bearer and data forwarding information not requested by a … network node.” PNG media_image1.png 522 836 media_image1.png Greyscale The relevant disclosure is highlighted in blue. First, paragraph [0052] only discloses what the related art is not teaching: “In the event of the bearer being a UM mode bearer and data forwarding information not requested by eNB, there is no IE in the related art for gNB-CU-CP to request for Secondary RAT data usage report towards gNB-CU-UP over E1 interface.” This paragraph and other paragraphs fail to teach an embodiment of the present disclosure that an IE for requesting data usage report is included in the bearer context modification request in an event of a bearer being an unacknowledged mode (UM) bearer and data forwarding information not requested by a third network node. Second, paragraph [0052] merely discloses an eNB in “data forwarding information not requested by eNB.” However, the claim limitation specifically requires a third network node (i.e., data forwarding information not requested by a third network node) which is further defined to be “a master node (MN) of a dual connectivity (DC) using the MN and a secondary node (SN)” in the claims. Third, it appears Applicant admits that the claim limitation is not supported in the specification because it is resolved in the claimed invention, see argument on pg. 10: “[i]n the event of the bearer being a UM mode bearer and data forwarding information not requested by eNB, there is no IE in the related art for gNB-CU-CP to request for Secondary RAT data usage report towards gNB-CU-UP over E1 interface … This problem in this scenario is resolved in the claimed invention … The cited art does not disclose or render obvious these features, nor does it address or resolve the problem identified by inventors of the instant applicant and resolved by the claimed invention.” Therefore, Applicant’s specification fails to disclose the claim limitation and thus have no support for “the bearer context modification request including the information element requesting the data usage report being transmitted in an event of a bearer being an unacknowledged mode (UM) bearer and data forwarding information not requested by a third network node.” Conclusion The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. US 2019/0069333 A1 teaches in Fig. 9, [0137], [0142]: CUCP sends bearer context modification request and receives response from source CUUP. US 2026/0025722 A1 teaches in [0488]: The source SN may send the secondary RAT data usage report message to the MN. Any inquiry concerning this communication or earlier communications from the examiner should be directed to THE HY NGUYEN whose telephone number is (571)270-3813. The examiner can normally be reached on Mo-Fr: 8am-4pm. 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, Joseph Avellino, can be reached on (571) 272-3905. 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 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. /THE HY NGUYEN/Primary Examiner, Art Unit 2478 TheHy.Nguyen@USPTO.gov
Read full office action

Prosecution Timeline

Jun 12, 2023
Application Filed
Jun 27, 2025
Non-Final Rejection mailed — §112
Sep 29, 2025
Response Filed
Oct 23, 2025
Final Rejection mailed — §112
Feb 23, 2026
Response after Non-Final Action
Mar 23, 2026
Request for Continued Examination
Apr 05, 2026
Response after Non-Final Action
Aug 12, 2026
Non-Final Rejection mailed — §112 (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
74%
Grant Probability
99%
With Interview (+31.3%)
2y 8m (~0m remaining)
Median Time to Grant
High
PTA Risk
Based on 328 resolved cases by this examiner. Grant probability derived from career allowance rate.

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