Prosecution Insights
Last updated: August 16, 2026
Application No. 18/797,404

NEURAL NETWORK TO PREDICT KNEE MEDIAL JOINT CONTACT FORCE FROM CUSTOM INSTRUMENTED INSOLE

Non-Final OA §112
Filed
Aug 07, 2024
Priority
Aug 07, 2023 — provisional 63/518,102
Examiner
NASSER, ROBERT L
Art Unit
Tech Center
Assignee
University of Maryland, College Park
OA Round
1 (Non-Final)
73%
Grant Probability
Favorable
1-2
OA Rounds
1y 4m
Est. Remaining
84%
With Interview

Examiner Intelligence

Grants 73% — above average
73%
Career Allowance Rate
237 granted / 326 resolved
+12.7% vs TC avg
Moderate +11% lift
Without
With
+11.2%
Interview Lift
resolved cases with interview
Typical timeline
3y 4m
Avg Prosecution
19 currently pending
Career history
343
Total Applications
across all art units

Statute-Specific Performance

§101
9.0%
-31.0% vs TC avg
§103
32.2%
-7.8% vs TC avg
§102
14.4%
-25.6% vs TC avg
§112
25.2%
-14.8% vs TC avg
Black line = Tech Center average estimate • Based on career data from 326 resolved cases

Office Action

§112
I. ACKNOWLEDGEMENT This Office Action addresses U.S. Application No. 18/797404 (“’404 Application” or “instant application”). Based upon a review of the instant application, the actual filing date of the instant application is August 7, 2024. This action is being issued following Applicant’s response of 6/25/2026, which included a claims listing and a response to the restriction requirement. II. STATUS OF CLAIMS Claims 1-19 were filed with the application. The response of 6/25/2026 withdrew claims 1-10 without traverse. Therefore, as of the date of this Office Action, the status of the claims is: a. Claim 1-19 (“Pending Claims”). b. Claim 11-19 are examined (“Examined Claims”) III. PRIORITY AND CONTINUING DATA The ‘404 application claims the benefit of provisional application 63/518102, filed 8/7/2024. Because the earliest possible effective filing date is after March 16, 2013, the first to file provision of the AIA , apply to this proceeding. IV. RESPONSE TO RESTRICTION Claims 1-10 withdrawn from further consideration pursuant to 37 CFR 1.142(b) as being drawn to a nonelected invention, there being no allowable generic or linking claim. Election was made without traverse in the reply filed on 6/25/2026. V. SPECIFICATION OBJECTIONS The specification is objected to as failing to provide proper antecedent basis for the claimed subject matter. See 37 CFR 1.75(d)(1) and MPEP § 608.01(o). Correction of the following is required: the disclosure contains no discussion of comparing the MJCF to a user-defined force value and sending an alert to a user device based on the comparison, as recited in claim 17. Furthermore, the disclosure does not mention determining whether the subject is walking or running based on frequency of changes in data, as recited in claim 19. In addition, the duration of the temporal bin discussed in claim 19 and the displaying the notification, and the displaying a notification in the last clause of claim 19 lack support in the disclosure. Further, there is no discussion in the disclosure of peak joint force per foot, as recited in claim 19. Since all of these features were in an original claim, they can be added to the disclosure, so long as no new matter is introduced. VI. 112 REJECTIONS The following is a quotation of 35 U.S.C. 112 (pre-AIA ), second paragraph: The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the applicant regards as his invention. 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. Claims 11-19 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 applications subject to pre-AIA 35 U.S.C. 112, the inventor(s), at the time the application was filed, had possession of the claimed invention. As to claim 11, the disclosure states that the stance phase data is binned. It gives no parameters as to how the data is binned, i.e. what characteristics of data are used to sport the data into different bins. Therefore, it seems that the disclosure does not establish that one of ordinary skill in the art would understand that Applicant was in possession of the claimed invention at the time of filing. Further, the claim recites extracting a (singular) temporal bin of the data and supplying the temporal bin of the data to the trained neural network. However, the disclosure states in paragraph [0030] of the published application that the method bins the heel strike to toe-off periods and supplies the binned data to the neural network (paragraph [0031]). As such, the disclosure sends all of the bins to the network, not a single bin, as the claim says. In essence there is no support for extracting a bin from the plurality of bins. Ser MPEP 2161.01 I. As to claim 19, there is no algorithm or step disclosed for determining joint contact force per foot. As such, the claim lacks an adequate written description, as per MPEP 2161.01 I. Clarification is required. Further, there is no algorithm or steps provided for determining whether the subject is walking or running based on frequency of changes of data. Furthermore, there is no discussion of determining the duration of the temporal bin. Claims 12-18 are rejected as being dependent upon a rejected base claim. VII. ALLOWABLE SUBJECT MATTER Claims 11-19 would be allowable if the 112 rejection and the objection above were overcome. Claims 11-19 define over the art in that none of the art determines medial joint contact force based on a determined activity category and temporal bin data associated with a heel strike to toe-off period, as claimed. VIII. PRIOR ART Ellis US PG PUB 2023/0086698 determines medial contact forces in the ankle. IX. CONCLUSION Any inquiry concerning this communication or earlier communications from the examiner should be directed to ROBERT L NASSER whose telephone number is (571)272-4731. The examiner can normally be reached M-F 8-6. 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, Alexander Kosowski can be reached at (571) 272-3744. 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. /ROBERT L NASSER/ Primary Examiner, Art Unit 3992
Read full office action

Prosecution Timeline

Aug 07, 2024
Application Filed
Aug 05, 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

1-2
Expected OA Rounds
73%
Grant Probability
84%
With Interview (+11.2%)
3y 4m (~1y 4m remaining)
Median Time to Grant
Low
PTA Risk
Based on 326 resolved cases by this examiner. Grant probability derived from career allowance rate.

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