Prosecution Insights
Last updated: April 19, 2026
Application No. 18/618,096

INFORMATION TRANSMISSION METHOD AND APPARATUS

Non-Final OA §102
Filed
Mar 27, 2024
Examiner
LING, CHHIAN
Art Unit
2446
Tech Center
2400 — Computer Networks
Assignee
Huawei Technologies Co., Ltd.
OA Round
1 (Non-Final)
87%
Grant Probability
Favorable
1-2
OA Rounds
2y 6m
To Grant
99%
With Interview

Examiner Intelligence

Grants 87% — above average
87%
Career Allow Rate
382 granted / 441 resolved
+28.6% vs TC avg
Strong +28% interview lift
Without
With
+27.6%
Interview Lift
resolved cases with interview
Typical timeline
2y 6m
Avg Prosecution
19 currently pending
Career history
460
Total Applications
across all art units

Statute-Specific Performance

§101
12.9%
-27.1% vs TC avg
§103
57.0%
+17.0% vs TC avg
§102
10.9%
-29.1% vs TC avg
§112
9.5%
-30.5% vs TC avg
Black line = Tech Center average estimate • Based on career data from 441 resolved cases

Office Action

§102
Notice of Pre-AIA or AIA Status 1. 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 2. This Office Action is in response to application filed on 03/27/2024. Claims 1-20 were previously pending. Claims 1-20 are rejected. Information Disclosure Statement 3. The information disclosure statement(s) (IDS) submitted on 01/17/2025 is/are in compliance with the provisions of 37 CFR 1.97. Accordingly, the IDS(s) is/are being considered by the examiner. Claim Objections 4. Claims 2-3, 7 are objected to because of the following informalities: Claim 2, cited “a first session management network element, an edge application server” in lines 1-2, should be --[[a]] the first session management network element, [[an]] the edge application server-- to mark reference to “a first session management network element in a visited network, an edge application server” in claim 1, lines 3-4; Claim 3, cited “a second session management” in line 3, should be –[[a]] the second session management-- to mark reference to “a second session management” of claim 1, line 6; Claim 3, cited “address information” in line 2 should be –the address information-- to mark reference to “address information” recited in claim 1, lines 3-4;. Claim 7, cited “address information of an edge application” in line 5-6, should be –the address information of [[an]] the edge application—to mark reference to “address information of an edge application” in claim 6, line 5; Claim 7, cited “a second session management” in line 5, should be –[[a]] the second session management—to mark reference to “a second session management” of claim 6, line 6; Appropriate correction is required. Claim Rejections - 35 USC § 102 5. 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 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. 5.1. 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)(2) the claimed invention was described in a patent issued under section 151, or in an application for patent published or deemed published under section 122(b), in which the patent or application, as the case may be, names another inventor and was effectively filed before the effective filing date of the claimed invention. 5.2. Claim(s) 1-20 is/are rejected under 35 U.S.C. 102(a)(2) as being anticipated by Li et al., (“Li”, WO 2020/001440 A1, for examining purpose using English version of US 2024/0244031 A1). Regarding Claim 1, Li teaches, a method for information transmission, comprising: selecting, by a first session management network element in a visited network, an edge application server discovery network element in the visited network (Li, [0230-231, 109]: selecting, by a V-SMF (“1st session management function”), a V-EASDF (“edge application server discovery network element”) in a visited public land mobile network VPLMN); and sending, by the first session management network element, address information of the edge application server discovery network element to a second session management network element in a home network (Li, [0233-234]: the V-SMF sends IP address information of the V-EASDF in the visited network to a user plane network element based on the information; [0335]: the V-SMF sends the information to a H-SMF (“2nd SMF”) in a home public land mobile network (HPLMN)). Regarding Claim 2, Li teaches, the method according to claim 1, wherein the selecting, by a first session management network element, an edge application server discovery network element comprises: selecting, by the first session management network element, the edge application server discovery network element in response to indication information, wherein the indication information indicates that local traffic routing is allowed in the visited network (Li, [0230]: a V-SMF (“1st SMF”) obtains information #B, where the information #B indicates that traffic routing is allowed in a visited network). Regarding Claim 3, Li teaches, the method according to claim 2, wherein the sending, by the first session management network element, address information of the edge application server discovery network element to a second session management network element comprises: sending, by the first session management network element in response to the indication information, the address information of the edge application server discovery network element to the second session management network element (Li, [0038, 109]: the V-SMF (“1st SMF”) sends the IP address information to the H-SMF (“2nd SMF”) in the home network in response to the request). Regarding Claim 4, Li teaches, the method according to claim 2, wherein the method further comprises: receiving, by the first session management network element, the indication information from a network element deployed in the home network (Li, [0239-240]: V-SMF (“1st SMF”) receives the information #B from an H-SMF (“2nd SMF”)). Regarding Claim 5, Li teaches, the method according to claim 1, wherein the method is applied to a home routed roaming scenario (Li, [0243]: V-SMF locally configured roaming protocol includes information #B corresponding to an HPLMN, and the V-SMF directly obtains, according to the locally configured roaming protocol, the information #B corresponding to the HPLMN). Regarding Claim 6, Li teaches, a method for information transmission, comprising: receiving, from a first session management network element in a visited network by a second session management network element in a home network, address information of an edge application server discovery network element in the visited network (Li, [0230-234]: A V-SMF (“1st SMF”) obtains information #B, where the information #B indicates that traffic routing is allowed in a visited network; V-SMF sends IP address information of the visited network to a user plane network element (V-EASDF) based on the information #B); and sending, by the second session management network element, the address information of the edge application server discovery network element to a terminal device (Li, [0188]: H-SMF (“2nd SMF”) first determine the VPLMN, and then obtain the corresponding information #B based on the VPLMN. It should be noted that the H-SMF may determine the information #B based on a message received from the V-SMF and a local configuration). Regarding Claim 7, Li teaches, the method according to claim 6, wherein the method further comprises: obtaining, by the second session management network element, indication information, wherein the indication information indicates that local traffic routing is authorized in the visited network (Li, [0134-137]: a H-SMF (“2nd SMF”) obtains IP address information of a visited network VPLMN;[0148]: the information #B indicates that traffic routing is allowed in the visited network VPLMN; and the obtaining, by a second session management network element, address information of an edge application server discovery network element comprises: obtaining, by the second session management network element, the address information of the edge application server discovery network element in response to the indication information (Li, [0148-149]: a H-SMF (“2nd SMF”) the H-SMF learns that traffic routing is allowed in the VPLMN, the H-SMF sends the information #A to the H-EASDF). Regarding Claim 8, Li teaches, the method according to claim 6, wherein the method further comprises: obtaining, by the second session management network element, indication information, wherein the indication information indicates that local traffic routing is authorized in the visited network (Li, [0134-137]: a H-SMF (“2nd SMF”) obtains IP address information of a visited network VPLMN; [0148]: the information #B indicates that traffic routing is allowed in the visited network VPLMN); and the sending, by the second session management network element, the address information of the edge application server discovery network element to a terminal device comprises: sending, by the second session management network element, the address information of the edge application server discovery network element to the terminal device in response to the indication information (Li, S320, [0148-149]: a H-SMF (“2nd SMF”) the H-SMF learns that traffic routing is allowed in the VPLMN, the H-SMF sends the information #A to the H-EASDF). Regarding Claim 9, Li teaches, the method according to claim 8, wherein the obtaining indication information comprises: receiving, by the second session management network element, the indication information from a network element deployed in the home network; or locally configuring, by the second session management network element, the indication information (Li, [0186-187]: H-SMF (“2nd SMF”) locally configures roaming protocol includes the information #B corresponding to the VPLMN, and the H-SMF directly obtains, according to the locally configured roaming protocol, the information #B corresponding to the VPLMN). Regarding Claim 10, Li teaches, the method according to claim 6, wherein the method is applied to a home routed roaming scenario (Li, [0005]: to access a service in a VPLMN by using IP address information of the VPLMN, so that a local edge application server (EAS) in an home routed (HR) roaming scenario is discovered). Regarding Claim 11, Li teaches, an apparatus in a visited network, comprising: at least one processor; and at least one memory coupled to the at least one processor and storing programming instructions that, when executed by the at least one processor, cause the apparatus to (Li, FIG.13, processor 1310, memory 1320, [0587]: the processor 1310 is configured to execute the computer program or the instructions stored in the memory 1320, to implement a related operation of the first session management network element (1st SMF)): select an edge application server discovery network element in the visited network (Li, [0230-231, 109]: selecting, by V-SMF (“1st SMF”), a V-EASDF (“edge application server discovery network element”) in the visited public land mobile network (VPLMN)); and send address information of the edge application server discovery network element to a second session management network element in a home network (Li, [0233-234]: the V-SMF sends IP address information of the V-EASDF to an user plane network element based on the information #B; [0335]: the V-SMF sends the information to the H-SMF (“2nd SMF”) in a home public land mobile network (HPLMN)). Regarding Claim 12, Li teaches, the apparatus according to claim 11, wherein the edge application server discovery network element is selected in response to indication information, wherein the indication information indicates that local traffic routing is allowed in the visited network (Li, [0230]: the V-SMF (“1st SMF”) obtains information #B, where the information #B indicates that traffic routing is allowed in a visited network). Regarding Claim 13, Li teaches, the apparatus according to claim 12, wherein the address information of the edge application server discovery network element is sent in response to the indication information (Li, [0038, 109]: the V-SMF sends the IP address information to the H-SMF (“2nd SMF”) in the home network HPLMN in response to the request). Regarding Claim 14, Li teaches, the apparatus according to claim 12, wherein the programming instructions, when executed by the at least one processor, cause the apparatus to: receive the indication information from a network element deployed in the home network (Li, [0239-240]: the V-SMF (“1st SMF”) receives the information #B from an H-SMF (“2nd SMF”)). Regarding Claim 15, Li teaches, the apparatus according to claim 11, wherein the apparatus is applied to a home routed roaming scenario (Li, [0243]: V-SMF locally configured roaming protocol includes information #B corresponding to an home network HPLMN, and the V-SMF directly obtains, according to the locally configured roaming protocol, the information #B corresponding to the HPLMN). Regarding Claim 16, Li teaches, an apparatus in a home network, comprising: at least one processor; and at least one memory coupled to the at least one processor and storing programming instructions that, when executed by the at least one processor, cause the apparatus to (Li, FIG.13, processor 1310, memory 1320, [0586]: the processor 1310 is configured to execute the computer program or the instructions stored in the memory 1320, to implement a related operation of the second session management network element (H-SMF) in a home network (HPLMN)): receive, from a first session management network element in a visited network, address information of an edge application server discovery network element in the visited network (Li, , [0230-234]: A V-SMF (“1st SMF”) obtains information #B, where the information #B indicates that traffic routing is allowed in a visited network (VPLMN); the V-SMF sends IP address information of the visited network to a user plane network element (V-EASDF) based on the information #B); and send the address information of the edge application server discovery network element to a terminal device (Li, [0188]: H-SMF (“2nd SMF”) first determine the VPLMN, and then obtain the corresponding information #B based on the VPLMN. It should be noted that the H-SMF may determine the information #B based on a message received from the V-SMF and a local configuration). Regarding Claim 17, Li teaches, the apparatus according to claim 16, wherein the programming instructions, when executed by the at least one processor, cause the apparatus to: obtain indication information, wherein the indication information indicates that local traffic routing is authorized in the visited network (Li, [0134-137]: the H-SMF (“2nd SMF”) obtains IP address information of a visited network VPLMN; [0148]: the information #B indicates that traffic routing is allowed in the visited network VPLMN); and the address information of the edge application server discovery network element is received in response to the indication information (Li, [0148-149]: the H-SMF (“2nd SMF”) learns that traffic routing is allowed in the VPLMN, the H-SMF sends the information #A to the H-EASDF). Regarding Claim 18, Li teaches, the apparatus according to claim 16, wherein the programming instructions, when executed by the at least one processor, cause the apparatus to: obtain indication information, wherein the indication information indicates that local traffic routing is authorized in the visited network (Li, [0134-137]: the H-SMF (“2nd SMF”) obtains IP address information of a visited network VPLMN; [0148]: the information #B indicates that traffic routing is allowed in the visited network VPLMN); and the address information of the edge application server discovery network element is sent to the terminal device in response to the indication information (Li, S320, [0148-149]: a H-SMF (“2nd SMF”) the H-SMF learns that traffic routing is allowed in the VPLMN, the H-SMF sends the information #A to the H-EASDF). Regarding Claim 19, Li teaches, the apparatus according to claim 18, wherein the indication information is obtained by: receiving the indication information from a network element deployed in the home network; or locally configuring the indication information (Li, [0186-187]: the H-SMF (“2nd SMF”) locally configures roaming protocol includes the information #B corresponding to the VPLMN, and the H-SMF directly obtains, according to the locally configured roaming protocol, the information #B corresponding to the VPLMN). Regarding Claim 20, Li teaches, the apparatus according to claim 16, wherein the apparatus is applied to a home routed roaming scenario (Li, [0005]: to access a service in a VPLMN by using IP address information of the VPLMN, so that a local edge application server (EAS) in an home routed (HR) roaming scenario is discovered). Conclusion 6. The prior art made of record and not relied upon is considered pertinent to applicant’s disclosure. Lee et al. , US 2022/0263788 A1, Method For Discovering Edge Application Server By EAS Discover Function Entity For Informing Address Of EAS While Providing Edge Computing In E.g. Fifth Generation System To User Equipment, Involves Receiving Domain Name System Response Message Comprising Internet Protocol Address From Server. Lu et al., US 2023/0199595 A1, Method For Providing Enhanced-solution-for-establishment-of-data-unit-session-to-terminal-device-supports-insertion/change-of Second-second-SMF, Involves Determining Whether First-in-first-out-of First-aspect Is Satisfied. 7. Any inquiry concerning this communication or earlier communications from the examiner should be directed to CHHIAN (AMY) LING whose telephone number is (571)270-1074. The examiner can normally be reached M-F 9-6 ET. 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, BRIAN J GILLIS can be reached on (571) 272-7952. 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. /C.L/Examiner, Art Unit 2446 /BRIAN J. GILLIS/Supervisory Patent Examiner, Art Unit 2446
Read full office action

Prosecution Timeline

Mar 27, 2024
Application Filed
May 13, 2024
Response after Non-Final Action
Feb 21, 2026
Non-Final Rejection — §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

1-2
Expected OA Rounds
87%
Grant Probability
99%
With Interview (+27.6%)
2y 6m
Median Time to Grant
Low
PTA Risk
Based on 441 resolved cases by this examiner. Grant probability derived from career allow rate.

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