Prosecution Insights
Last updated: April 19, 2026
Application No. 18/459,487

AUTONOMOUS NAVIGATION IN THE ABSENCE OF NETWORK CONNECTIVITY VIA ANCHOR POINTS

Non-Final OA §101§103§112
Filed
Sep 01, 2023
Examiner
PETTIEGREW, TOYA R
Art Unit
3662
Tech Center
3600 — Transportation & Electronic Commerce
Assignee
International Business Machines Corporation
OA Round
3 (Non-Final)
62%
Grant Probability
Moderate
3-4
OA Rounds
3y 6m
To Grant
80%
With Interview

Examiner Intelligence

Grants 62% of resolved cases
62%
Career Allow Rate
96 granted / 156 resolved
+9.5% vs TC avg
Strong +18% interview lift
Without
With
+18.5%
Interview Lift
resolved cases with interview
Typical timeline
3y 6m
Avg Prosecution
38 currently pending
Career history
194
Total Applications
across all art units

Statute-Specific Performance

§101
22.9%
-17.1% vs TC avg
§103
63.1%
+23.1% vs TC avg
§102
4.0%
-36.0% vs TC avg
§112
9.1%
-30.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 156 resolved cases

Office Action

§101 §103 §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 . Response to Arguments Claim Rejections - 35 USC § 112 (a): Applicant's arguments filed 9/17/2025 have been fully considered and are persuasive. Independent claims 1, 8 and 15 amendment with the first virtual beacon having disappeared from view of the autonomous vehicle, wherein metadata comprising a distance and angle of the second virtual beacon to the first virtual beacon is inserted into a data structure and retracing in reverse, by the autonomous vehicle, a previous path of the journey of the autonomous vehicle, by using the first virtual beacon and the second virtual beacon and the metadata, wherein the first virtual beacon and the second virtual beacon were placed in the previous path of the journey of the autonomous vehicle overcomes the rejection for failing to comply with the written description requirement. The rejection of claims 1-20 has been withdrawn. Claim Rejections - 35 USC § 101: Applicant's arguments filed 9/17/2025 have been fully considered and are persuasive. Independent claims 1, 8 and 15 amendment retracing in reverse, by the autonomous vehicle, a previous path of the journey of the autonomous vehicle, by using the first virtual beacon and the second virtual beacon and the metadata, wherein the first virtual beacon and the second virtual beacon were placed in the previous path of the journey of the autonomous vehicle overcomes the rejection by adding practical application to the abstract idea. Therefore, the rejection has been withdrawn for claims 1-20. However, upon further consideration, a new ground of rejection is made in view of claims 15-20. Claim Rejections - 35 USC § 103: Applicant’s arguments filed 9/17/1025 with respect to claims 1-20 have been fully considered and are persuasive. Amendment to independent claims 1, 8 and 15 overcomes the rejection (i.e. retracing in reverse, by the autonomous vehicle, a previous path of the journey of the autonomous vehicle, by using the first virtual beacon and the second virtual beacon and the metadata, wherein the first virtual beacon and the second virtual beacon were placed in the previous path of the journey of the autonomous vehicle). The rejection of claims 1-20 has been withdrawn. Information Disclosure Statement The information disclosure statement (IDS) submitted on 9/24/2026 is in compliance with the provisions of 37 CFR 1.97. Accordingly, the information disclosure statement is being considered by the examiner. Claim Rejections - 35 USC § 101 35 U.S.C. 101 reads as follows: Whoever invents or discovers any new and useful process, machine, manufacture, or composition of matter, or any new and useful improvement thereof, may obtain a patent therefor, subject to the conditions and requirements of this title. Claims 15-20 are rejected under 35 U.S.C. 101 because the claimed invention is directed to a non-statutory subject matter. Claim 15 as recited does not fall within at least one of the four categories of patent eligible subject matter because computer-readable medium is considered computer readable transmission media defined as signal per se and is not within one of the four statutory categories. Regarding Prong I of the Step 2A analysis in the 2019 PEG, the claims are to be analyzed to determine whether they recite subject matter that falls within one of the follow groups of abstract ideas: a) mathematical concepts, b) certain methods of organizing human activity, and/or c) mental processes. Claim 15 does not recite subject matter that falls within one of the following groups of abstract ideas: a) mathematical concepts, b) certain methods of organizing human activity, and/or c) mental processes. Regarding Prong II of the Step 2A analysis in the 2019 PEG, the claims are to be analyzed to determine whether the claim, as a whole, integrates the abstract into a practical application. As noted in the 2019 PEG, it must be determined whether any additional elements in the claim beyond the abstract idea integrate the exception into a practical application in a manner that imposes a meaningful limit on the judicial exception. It appears from applicant’s disclosure that the claim could be amended to fall within a statutory category and would qualify as eligible (e.g. non-transitory computer readable storage medium) as defined in applicant’s disclosure [0051]. Claims 16-20 are rejected based on dependence on claim 15. Allowable Subject Matter Claims 1-14 are allowed. The following is an examiner’s statement of reasons for allowance: Independent claims 1 and 8 are allowable over the prior art of record for their specific recitations of elements involving a method and system for autonomous vehicle navigation in the absence of network connectivity via anchor points, i.e. placing a first virtual beacon; placing a second virtual beacon, in response to determining that an image resolution associated with the first virtual beacon has fallen below a predetermined threshold with the first virtual beacon having disappeared from view of the autonomous vehicle, wherein metadata comprising a distance and angle of the second virtual beacon to the first virtual beacon is inserted into a data structure and retracing in reverse, by the autonomous vehicle, a previous path of the journey of the autonomous vehicle, by using the first virtual beacon and the second virtual beacon and the metadata, wherein the first virtual beacon and the second virtual beacon were placed in the previous path of the journey of the autonomous vehicle; among other limitations. Additionally, a combination of the prior art of record of Laws et al. (US 20240217529 A1; hereafter Laws), Ren et al. (US 20220300681 A1; hereafter Ren) and Parks et al. (US 20190370564 A1; hereafter Parks) does not explicitly teach the claimed invention as recited in independent claims 1 and 8. Laws does not explicitly teach extending a navigation ability during a journey of the autonomous vehicle in an event of a loss of connectivity during navigation by retracing in reverse, by the autonomous vehicle, a previous path of the journey of the autonomous vehicle, by using the first virtual beacon and the second virtual beacon and the metadata, wherein the first virtual beacon and the second virtual beacon were placed in the previous path of the journey of the autonomous vehicle. The addition of Ren and Parks fails to cure the deficiencies of Laws. It would not be obvious to modify the invention of Laws to include the teachings of Ren and Parks with a reasonable expectation of success to have the features of the claimed invention because it would significantly change the design and functionality of the invention. Any comments considered necessary by applicant must be submitted no later than the payment of the issue fee and, to avoid processing delays, should preferably accompany the issue fee. Such submissions should be clearly labeled “Comments on Statement of Reasons for Allowance.” Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to TOYA PETTIEGREW whose telephone number is (313)446-6636. The examiner can normally be reached 8:30pm - 5:00pm M-F. 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, Jelani Smith can be reached at 571-270-3969. 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. /TOYA PETTIEGREW/ Primary Examiner, Art Unit 3662
Read full office action

Prosecution Timeline

Sep 01, 2023
Application Filed
Dec 14, 2024
Non-Final Rejection — §101, §103, §112
Mar 18, 2025
Applicant Interview (Telephonic)
Mar 19, 2025
Response Filed
Mar 22, 2025
Examiner Interview Summary
Jun 13, 2025
Final Rejection — §101, §103, §112
Sep 10, 2025
Applicant Interview (Telephonic)
Sep 17, 2025
Request for Continued Examination
Sep 20, 2025
Examiner Interview Summary
Sep 25, 2025
Response after Non-Final Action
Feb 07, 2026
Non-Final Rejection — §101, §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
62%
Grant Probability
80%
With Interview (+18.5%)
3y 6m
Median Time to Grant
High
PTA Risk
Based on 156 resolved cases by this examiner. Grant probability derived from career allow rate.

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