Prosecution Insights
Last updated: October 04, 2026
Application No. 18/536,180

MODULATING TONES IN A LONG TRAINING FIELD

Final Rejection §112
Filed
Dec 11, 2023
Priority
Dec 09, 2022 — provisional 63/386,840
Examiner
HUYNH, KHOA B
Art Unit
2462
Tech Center
2400 — Computer Networks
Assignee
Quantefi Corporation
OA Round
2 (Final)
80%
Grant Probability
Favorable
3-4
OA Rounds
1m
Est. Remaining
90%
With Interview

Examiner Intelligence

Grants 80% — above average
80%
Career Allowance Rate
562 granted / 701 resolved
+22.2% vs TC avg
Moderate +10% lift
Without
With
+9.8%
Interview Lift
resolved cases with interview
Typical timeline
2y 11m
Avg Prosecution
17 currently pending
Career history
712
Total Applications
across all art units

Statute-Specific Performance

§101
7.9%
-32.1% vs TC avg
§103
46.5%
+6.5% vs TC avg
§102
17.6%
-22.4% vs TC avg
§112
18.0%
-22.0% vs TC avg
Black line = Tech Center average estimate • Based on career data from 701 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 . This Office Action is in response to the Applicants' amendment received on 06/29/2026. Claim Status Claims 1-3, 5-14, 16-22 are currently presenting for examination. This action has been made FINAL. Response to Arguments Applicants' arguments filed 06/29/2026 have been fully considered but are moot in view of the new ground(s) of rejection. Claim Rejections - 35 USC § 112 The following is a quotation of 35 U.S.C. 112(d): (d) REFERENCE IN DEPENDENT FORMS.—Subject to subsection (e), a claim in dependent form shall contain a reference to a claim previously set forth and then specify a further limitation of the subject matter claimed. A claim in dependent form shall be construed to incorporate by reference all the limitations of the claim to which it refers. The following is a quotation of pre-AIA 35 U.S.C. 112, fourth paragraph: Subject to the following paragraph [i.e., the fifth paragraph of pre-AIA 35 U.S.C. 112], a claim in dependent form shall contain a reference to a claim previously set forth and then specify a further limitation of the subject matter claimed. A claim in dependent form shall be construed to incorporate by reference all the limitations of the claim to which it refers. Claims 8, 18 are rejected under 35 U.S.C. 112(d) or pre-AIA 35 U.S.C. 112, 4th paragraph, as being of improper dependent form for failing to further limit the subject matter of the claim upon which it depends, or for failing to include all the limitations of the claim upon which it depends. Specifically, claim 8 contains limitation “wherein the second modulation comprises modulating the second subset of the plurality of tones with data to be transmitted to the receiving device” which fails to further limit the subject matter (“wherein the second modulation comprises modulating the second subset of the plurality of tones with data to be transmitted to the receiving device”) of claim 1 upon which it depends. Specifically, claim 18 contains limitation “wherein the second modulation comprises modulating the second subset of the plurality of tones with data to be transmitted to the receiving device” which fails to further limit the subject matter (“the second modulation comprises modulating the second subset of the plurality of tones with data to be transmitted to the receiving device”) of claim 12 upon which it depends. Applicant may cancel the claim(s), amend the claim(s) to place the claim(s) in proper dependent form, rewrite the claim(s) in independent form, or present a sufficient showing that the dependent claim(s) complies with the statutory requirements. Allowable Subject Matter Claims 1-3, 5-7, 12-14, 16-17, 21-22 are allowed. Claims 9-11, 19-20 are objected to as being dependent upon a rejected base claim, but would be allowable if rewritten in independent form including all of the limitations of the base claim and any intervening claims. Conclusion Applicant's amendment necessitated the new ground(s) of rejection presented in this Office action. Accordingly, THIS ACTION IS MADE FINAL. See MPEP § 706.07(a). Applicant is reminded of the extension of time policy as set forth in 37 CFR 1.136(a). A shortened statutory period for reply to this final action is set to expire THREE MONTHS from the mailing date of this action. In the event a first reply is filed within TWO MONTHS of the mailing date of this final action and the advisory action is not mailed until after the end of the THREE-MONTH shortened statutory period, then the shortened statutory period will expire on the date the advisory action is mailed, and any nonprovisional extension fee (37 CFR 1.17(a)) pursuant to 37 CFR 1.136(a) will be calculated from the mailing date of the advisory action. In no event, however, will the statutory period for reply expire later than SIX MONTHS from the mailing date of this final action. Any inquiry concerning this communication or earlier communications from the examiner should be directed to KHOA B HUYNH whose telephone number is (571)270-7185. The examiner can normally be reached Monday - Friday 1:00 PM - 9:35 PM. 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, Yemane Mesfin can be reached at (571) 272-3927. 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. /KHOA HUYNH/Primary Examiner, Art Unit 2462
Read full office action

Prosecution Timeline

Dec 11, 2023
Application Filed
Dec 29, 2025
Non-Final Rejection mailed — §112
Jun 29, 2026
Response Filed
Sep 08, 2026
Final Rejection mailed — §112 (current)

Precedent Cases

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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
80%
Grant Probability
90%
With Interview (+9.8%)
2y 11m (~1m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 701 resolved cases by this examiner. Grant probability derived from career allowance rate.

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