Prosecution Insights
Last updated: August 17, 2026
Application No. 18/189,665

DEVICE FOR COPYING A CURRENT

Non-Final OA §112
Filed
Mar 24, 2023
Priority
Apr 06, 2022 — FR 2203131
Examiner
SHAMIRYAN, NAREH
Art Unit
2843
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
STMicroelectronics N.V.
OA Round
3 (Non-Final)
91%
Grant Probability
Favorable
3-4
OA Rounds
0m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 91% — above average
91%
Career Allowance Rate
53 granted / 58 resolved
+23.4% vs TC avg
Moderate +11% lift
Without
With
+11.4%
Interview Lift
resolved cases with interview
Typical timeline
3y 1m
Avg Prosecution
19 currently pending
Career history
73
Total Applications
across all art units

Statute-Specific Performance

§101
0.5%
-39.5% vs TC avg
§103
40.1%
+0.1% vs TC avg
§102
27.7%
-12.3% vs TC avg
§112
28.6%
-11.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 58 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 . 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and the fee set forth in 37 CFR 1.17(e) has been timely paid, the finality of the previous Office action has been withdrawn pursuant to 37 CFR 1.114.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 05/13/2026 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. Claims 24 and 27 are 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. Regarding claim 24, “a current source” in line 2 is already defined in claim 1. It’s also not clear what the second MOS transistor is or how it fits in with the rest of the invention. Appropriate correction is required. Regarding claim 27, “gate of the first MOS transistor of the differential pair” and “gate of the second transistor of the differential pair” have no antecedent basis. Examiner suggests amending this to say “gate of the third MOS transistor” and “gate of the fourth MOS transistor” instead, because it’s already defined in claim 5 that the third and fourth MOS transistors are part of a differential pair so it’s not necessary to put that part in the claim. Appropriate correction is required. Allowable Subject Matter Claims 1, 5-7, 12-14, 16-23, 25-26, and 28-30 are allowed. The following is a statement of reasons for the indication of allowable subject matter: The prior art fails to teach that the bias circuit further comprises a current source series-connected with the third MOS transistor (from claims 1 and 13). It also fails to teach an amplifier comprising a first device and second device that has the limitations and structure of claim 1. Further searching did not reveal any relevant prior art that would have worked alone or in combination with previous references to reject the limitations in these claims. Therefore, claims 1, 5-7, 12-14, 16-23, 25-26, and 28-30 are allowed. Claims 24 and 27 would 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 Any inquiry concerning this communication or earlier communications from the examiner should be directed to NAREH SHAMIRYAN whose telephone number is (703)756-4616. The examiner can normally be reached M-F: 7:00AM-4:00PM PT. 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, Andrea Lindgren-Baltzell can be reached at (571) 272-5918. 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. /NAREH SHAMIRYAN/Examiner, Art Unit 2843 /ANDREA LINDGREN BALTZELL/Supervisory Patent Examiner, Art Unit 2843
Read full office action

Prosecution Timeline

Mar 24, 2023
Application Filed
Oct 01, 2025
Non-Final Rejection mailed — §112
Dec 23, 2025
Response Filed
Feb 25, 2026
Final Rejection mailed — §112
Apr 09, 2026
Response after Non-Final Action
May 13, 2026
Request for Continued Examination
May 16, 2026
Response after Non-Final Action
Jun 26, 2026
Non-Final Rejection mailed — §112 (current)

Precedent Cases

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Patent 12689337
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Patent 12671373
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Patent 12671374
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3y 10m to grant Granted Jun 30, 2026
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
91%
Grant Probability
99%
With Interview (+11.4%)
3y 1m (~0m remaining)
Median Time to Grant
High
PTA Risk
Based on 58 resolved cases by this examiner. Grant probability derived from career allowance rate.

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