Prosecution Insights
Last updated: July 17, 2026
Application No. 18/429,930

RADIO FREQUENCY (RF) PHASED-ARRAY DETECTOR

Non-Final OA §112
Filed
Feb 01, 2024
Priority
Feb 24, 2023 — provisional 63/486,848
Examiner
SINGH, GURBIR
Art Unit
2845
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
Tron Future Tech Inc.
OA Round
3 (Non-Final)
67%
Grant Probability
Favorable
3-4
OA Rounds
1m
Est. Remaining
83%
With Interview

Examiner Intelligence

Grants 67% — above average
67%
Career Allowance Rate
20 granted / 30 resolved
-1.3% vs TC avg
Strong +16% interview lift
Without
With
+15.9%
Interview Lift
resolved cases with interview
Typical timeline
2y 7m
Avg Prosecution
26 currently pending
Career history
66
Total Applications
across all art units

Statute-Specific Performance

§103
86.5%
+46.5% vs TC avg
§102
1.1%
-38.9% vs TC avg
§112
12.4%
-27.6% vs TC avg
Black line = Tech Center average estimate • Based on career data from 30 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 . Priority Applicant’s claim for the benefit of a prior-filed application under 35 U.S.C. 119(e) or under 35 U.S.C. 120, 121, 365(c), or 386(c) is acknowledged. 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and the fee set forth in 37 CFR 1.17(e) has been timely paid, the finality of the previous Office action has been withdrawn pursuant to 37 CFR 1.114.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 October 10th 2025 has been entered. Claim Rejections - 35 USC § 112 The following is a quotation of 35 U.S.C. 112(b): (b) CONCLUSION.—The specification shall conclude with one or more claims particularly pointing out and distinctly claiming the subject matter which the inventor or a joint inventor regards as the invention. 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. Claim 1-5, 8-17 and 20-22 rejected under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph, as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor (or for applications subject to pre-AIA 35 U.S.C. 112, the applicant), regards as the invention. Claim 1 recites the limitation “wherein each of the filter banks is configured to select one band-pass filter from the first band-pass filters and the second band-pass filters, and to couple the selected band-pass filter between the first I/O terminal and the second I/O terminal” and limitations “the first band-pass filters” and “the second band-pass filters” which render the claim indefinite. There is no filter that is shared between the plurality of first band-pass filters and the plurality of second band-pass filters, so it is unclear as to how one filter can be selected from both. Thus the limitation either means that one filter is selected form the plurality of first filters or the plurality of second filters, or that one filter is being selected from both the plurality of first filters and from the plurality of second filter. Furthermore the claim recites the plurality of first and second filters as the first band-pass filters” and “the second band-pass filters” which is unclear since we don’t know if they mean all of the filters in the plurality or just some amount of filters more than 1. For the purposes of examination, the examiner as best understood, will interpret the claim to mean “wherein each of the filter banks is configured to select one band-pass filter from the plurality of first band-pass filters and select another band-pass filter from the plurality of second band-pass filters, and to couple the selected band-pass filters between the first I/O terminal and the second I/O terminal without passing through the unselected band-pass filters, so as to filter one of the third input signals, wherein the plurality of second band-pass filters are divided into a plurality of groups corresponding to the plurality of first band-pass filters, and the first passband of each of the plurality of first band-pass filters only overlaps with the second passbands of the corresponding group of the second band-pass filters.” to bring the claim more in line with what is taught in the specifications and drawings. Claims 2-5, 8-17 and 20-22 inherit the indefiniteness of claim 1. Allowable Subject Matter Claim 21 and 22 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. The following is a statement of reasons for the indication of allowable subject matter: Regarding claim 21 and 22, patentability exists, at least in part, with the claimed features of “a first switching unit configured to selectively provide the one of the third input signals from the first I/O terminal to the selected band-pass filter, so as to filter the one of the third input signals; and a second switching unit, configured to selectively couple to the selected band-pass filter”. Siavash, Kang, and Pehlke are both cited as teaching some elements of the claimed invention including a radio frequency (RF) phased-array detector comprising a vertical antenna array, a horizontal antenna array, a multiplexer module, a processor, a filter module, a plurality of first band-pass filters, a plurality of second band-pass filters, first signals, second signals, third signals, and a first switch. Siavash, Kang, and Pehlke fail to explicitly disclose a first switch that couples third input signals to the selected band-pass filter to filter it and second switch coupled to the selected band-pass filter. However, the prior art when taken alone, or in combination, cannot be construed as reasonably teaching or suggesting all of the elements of the claimed invention as arranged, disposed, or provided in the manner as claimed by the applicant. Claim 21 and 22 will also only be allowable if rewritten to overcome the rejection(s) under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), 2nd paragraph, set forth in this Office action and to include all of the limitations of the base claim and any intervening claims. Conclusion The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. US 20220311470 A1 (Goto; Rei et al.) discloses an antenna array comprising multiple horizontal and vertical elements connected to switching units. Any inquiry concerning this communication or earlier communications from the examiner should be directed to GURBIR SINGH whose telephone number is (703)756-4637. The examiner can normally be reached Monday - Thursday 8 a.m. - 5 p.m. 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, Dameon E Levi can be reached at (571)272-2105. 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. /DAMEON E LEVI/Supervisory Patent Examiner, Art Unit 2845 /GURBIR SINGH/Examiner, Art Unit 2845
Read full office action

Prosecution Timeline

Feb 01, 2024
Application Filed
Feb 11, 2025
Non-Final Rejection mailed — §112
May 06, 2025
Response Filed
Jul 16, 2025
Final Rejection mailed — §112
Oct 13, 2025
Request for Continued Examination
Mar 16, 2026
Response after Non-Final Action
Apr 16, 2026
Non-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
67%
Grant Probability
83%
With Interview (+15.9%)
2y 7m (~1m remaining)
Median Time to Grant
High
PTA Risk
Based on 30 resolved cases by this examiner. Grant probability derived from career allowance rate.

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