Prosecution Insights
Last updated: August 18, 2026
Application No. 18/647,941

USER PLANE INTEGRITY PROTECTION

Non-Final OA §102§103§112
Filed
Apr 26, 2024
Priority
Apr 29, 2019 — provisional 62/840,304 +2 more
Examiner
HO, DAO Q
Art Unit
2432
Tech Center
2400 — Computer Networks
Assignee
Telefonaktiebolaget LM Ericsson
OA Round
3 (Non-Final)
83%
Grant Probability
Favorable
3-4
OA Rounds
4m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 83% — above average
83%
Career Allowance Rate
569 granted / 685 resolved
+25.1% vs TC avg
Strong +32% interview lift
Without
With
+32.3%
Interview Lift
resolved cases with interview
Typical timeline
2y 7m
Avg Prosecution
34 currently pending
Career history
720
Total Applications
across all art units

Statute-Specific Performance

§101
11.9%
-28.1% vs TC avg
§103
48.2%
+8.2% vs TC avg
§102
9.5%
-30.5% vs TC avg
§112
20.4%
-19.6% vs TC avg
Black line = Tech Center average estimate • Based on career data from 685 resolved cases

Office Action

§102 §103 §112
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 . DETAILED ACTION Response to Amendment This is a reply to the request for Continued Examination (RCE) filed on 4/10/2026, in which Claim(s) 1-2, 4-7 are presented for examination. Claim(s) 6-7 is/are newly added. Claim 3 is canceled. 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and the fee set forth in 37 CFR 1.17(e) has been timely paid, the finality of the previous Office action has been withdrawn pursuant to 37 CFR 1.114.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 4/10/2026 has been entered. Response to Argument Claim Objection: Applicant’s arguments with respect to objection of claim(s) 1, 5 have been considered. The objection has been withdrawn in view of the amendment(s). Claim Rejections - 35 U.S.C. § 112: Applicants’ arguments with respect to 112 1st paragraph with rejection of claim(s) 1-2 and 4-5 have been fully considered and are persuasive. The rejection of 112 1st paragraph has been withdrawn in view of the amendment(s). Claim Rejections - 35 U.S.C. § 102 and 35 U.S.C. § 103: Applicant’s arguments with respect to the rejection of claim(s) 1-7 have been considered but are moot in view of the new ground(s) of rejection. Claim Rejections - 35 USC § 103 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 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. The factual inquiries for establishing a background for determining obviousness under 35 U.S.C. 103 are summarized as follows: 1. Determining the scope and contents of the prior art. 2. Ascertaining the differences between the prior art and the claims at issue. 3. Resolving the level of ordinary skill in the pertinent art. 4. Considering objective evidence present in the application indicating obviousness or nonobviousness. Claim(s) 1-2 and 4-7 is/are rejected under 35 U.S.C. 103 as being unpatentable over Ni et al. (US 20200029207 A1; hereinafter Ni) in view of Kunz et al. (US 20200037165 A1; hereinafter Kunz) further in view of De Kievit et al. (US 20220132316 A1; hereinafter Kievit). Regarding claims 1 and 5, Ni discloses a method performed by a user equipment, UE, for enabling user plane integrity protection of data in a security protocol in a radio access network, the method comprising: sending a session establishment request towards a session management node that includes an indication of a user plane [integrity protection] mode supported by the UE (UE sends a session establishment request message to an SMF entity, where the session establishment response message may include a security attribute of the session corresponding to the security requirement. In an optional implementation, the session establishment response message may further include user plane protocol stack indication information, and the user plane protocol stack indication information is used to indicate the encapsulation format of the data of the application. [Ni; ¶8, 11, 115-132; Figs. 1-2, 4, 6 and associated texts]); and receiving an activation message from a receiving radio access node, wherein the receiving radio access node is an evolved long term evolution radio access node (receiving the response message via the access node (AN), where the AN is an eNB [Ni; ¶8, 45, 115-132; Figs. 4, 6 and associated texts]). Ni discloses a User equipment (UE) determines a security attribute of a session of the UE; the UE sends a session establishment request message to a control plane node when the security attribute of the session of the UE does not meet a security requirement of an application. The session establishment request message is used to request to establish a session corresponding to the security requirement of the application. Ni does not explicilty discloses the message security attribute is an indication of a user plane integrity protection mode supported and receiving an activation message from a receiving radio access node that includes an indication to the UE to activate the user plane integrity protection mode for a data radio bearer established with the receiving radio access node and wherein the user plane integrity protection mode comprises that the UE supports user plane integrity protection in packet data convergence protocol (PDCP) with a radio access node [at a defined rate that is less than the full data rate]; however, in a related and analogous art, Kunz teaches these features. In particular, Kunz teaches the UE request message and may indicate in the security capabilities the support of UP IP and/or support for selected integrity protection. In certain embodiments, the UE includes the UE Integrity Protection Maximum Data Rate for symmetric integrity protection mode and for asymmetric for DL only and/or UL only integrity protection mode, and the RAN node sends a RRC Connection Reconfiguration Request to the UE for UP security activation containing indications for the activation of UP integrity protection and ciphering for each DRB according to the security policy [Kunz; ¶69, 84]. The UE communicates with the RAN, supporting the UPIP security features over the PDCP radio protocol [Kunz; ¶11-12, 42-44, 67-73 79; Figs. 2A-2B and associated texts]. It would have been obvious before the effective filing date of the claimed invention to modify Ni in view of Kunz to includes the supported integrity protection security capabilities with the motivation to improved integrity protection on the user plane [Kunz; ¶39]. Ni-Kunz combination discloses an UE establishing session with a RAN, the request message and may indicate in the security capabilities the support of UP IP and/or support for selected integrity protection. In certain embodiments, the UE includes the UE Integrity Protection Maximum Data Rate for symmetric integrity protection mode and for asymmetric for DL only and/or UL only integrity protection mode, and the RAN node sends a RRC Connection Reconfiguration Request to the UE for UP security activation containing indications for the activation of UP integrity protection and ciphering for each DRB according to the security policy. Ni-Kunz combination does not explicilty discloses a defined rate that is less than the full data rate; however, in a related and analogous art, Kievit teaches this feature. In particular, Kievit teaches integrity protection in 4G and 5G system, especially in the context of Dual Connectivity (DC) involving both 4G and 5G base stations, where routing through eNB/gNB by using PDCP in user plane and specifying the UE’s UP IP capability, often time the maximum data rate the UE supports the UP IP out of the full data rate [Kievit, ¶303-306, 344, 383; Figs. 1-3, 7-9 and associated texts]. It would have been obvious before the effective filing date of the claimed invention to modify Ni-Kunz combination in view of Kievit with the motivation to support max capabilities between UE and RAN. Regarding claim 2, Ni-Kunz-Kievit combination discloses the method of Claim 1, wherein indication includes the defined rate for user plane integrity protection (defined the maximum data rate the UE supports the UP IP out of the full data rate [Kievit, ¶303-306, 344, 383; Figs. 7-9 and associated texts]). The motivation to support max capabilities between UE and RAN. Regarding claim 4, Ni-Kunz-Kievit combination discloses the method of Claim 1, wherein the session management node comprises a session management function (a session management function (SMF) entity [Ni; ¶44]). Regarding claim 6, Ni-Kunz-Kievit combination discloses the method of Claim 1, wherein the radio access node is an evolved long term evolution radio access node (LTE system [Kievit; ¶29-32]). The motivation to support max capabilities between UE and RAN. Regarding claim 7, Ni-Kunz-Kievit combination discloses the method of Claim 1, wherein the radio access node is a Next Generation Evolved Node-B (ng-eNB) (next generation eNBs (ng-eNBs) [Kievit; ¶36]). The motivation to support max capabilities between UE and RAN. Internet Communications Applicant is encouraged to submit a written authorization for Internet communications (PTO/SB/439, http:ljwww.uspto.gov/sites/default/files/documents/sb0439.pdf) in the instant patent application to authorize the examiner to communicate with the applicant via email. The authorization will allow the examiner to better practice compact prosecution. The written authorization can be submitted via one of the following methods only: (1) Central Fax which can be found in the Conclusion section of this Office action; (2) regular postal mail; (3) EFS WEB; or (4) the service window on the Alexandria campus. EFS web is the recommended way to submit the form since this allows the form to be entered into the file wrapper within the same day (system dependent). Written authorization submitted via other methods, such as direct fax to the examiner or email, will not be accepted. See MPEP § 502.03. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to DAO Q HO whose telephone number is (571)270-5998. The examiner can normally be reached on 7:00am - 5:00pm. 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, Jeffrey Nickerson can be reached on (469) 295-9235. 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. /DAO Q HO/Primary Examiner, Art Unit 2432
Read full office action

Prosecution Timeline

Apr 26, 2024
Application Filed
Jul 10, 2025
Non-Final Rejection mailed — §102, §103, §112
Oct 10, 2025
Response Filed
Feb 06, 2026
Final Rejection mailed — §102, §103, §112
Mar 26, 2026
Response after Non-Final Action
Apr 10, 2026
Request for Continued Examination
Apr 20, 2026
Response after Non-Final Action
Jun 11, 2026
Non-Final Rejection mailed — §102, §103, §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
83%
Grant Probability
99%
With Interview (+32.3%)
2y 7m (~4m remaining)
Median Time to Grant
High
PTA Risk
Based on 685 resolved cases by this examiner. Grant probability derived from career allowance rate.

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