Prosecution Insights
Last updated: April 18, 2026
Application No. 17/945,411

Dual-floating gates optoelectronic self-exciting synaptic memristor

Non-Final OA §112
Filed
Sep 15, 2022
Examiner
MAI, ANH D
Art Unit
2893
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
BEIHANG UNIVERSITY
OA Round
1 (Non-Final)
37%
Grant Probability
At Risk
1-2
OA Rounds
3y 9m
To Grant
46%
With Interview

Examiner Intelligence

Grants only 37% of cases
37%
Career Allow Rate
259 granted / 692 resolved
-30.6% vs TC avg
Moderate +9% lift
Without
With
+8.8%
Interview Lift
resolved cases with interview
Typical timeline
3y 9m
Avg Prosecution
56 currently pending
Career history
748
Total Applications
across all art units

Statute-Specific Performance

§101
1.8%
-38.2% vs TC avg
§103
42.8%
+2.8% vs TC avg
§102
23.9%
-16.1% vs TC avg
§112
29.8%
-10.2% vs TC avg
Black line = Tech Center average estimate • Based on career data from 692 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 . Status of the Claims Applicant’s election without traverse of Invention Group I in the reply filed on February 01, 2026 is acknowledged. Non-elected Invention , Claim 10 has been withdrawn from consideration. Claims 1-11 are pending. Action on merits of the Elected Invention, claims 1-9 and 11 follows. Priority Receipt is acknowledged of certified copies of papers required by 37 CFR 1.55. Claim Rejections - 35 USC § 112 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 1-9 and 11 are rejected under 35 U.S.C. 112(a) as failing to comply with the enablement requirement. The claim(s) contains subject matter which was not described in the specification in such a way as to enable one skilled in the art to which it pertains, or with which it is most nearly connected, to make and/or use the invention. Claim 1 recites: “A dual-floating gates optoelectronic self-exciting synaptic memristor, comprising a bottom gate, a barrier layer coated on a surface of the bottom gate, a quantum dot layer coated on a surface of a middle portion of the barrier layer, two inverted L-shaped electron or hole tunneling layers coated on a surface of two end portions of the quantum dot layer respectively, two inverted L-shaped floating gate storage layers coated on the electron or hole tunneling layers respectively, two electron or hole blocking layers coated on the two floating gate storage layers respectively, an inverted L-shaped source electrode and an inverted L-shaped drain electrode coated on the two electron or hole blocking layers respectively, a photosensitive material layer coated on a surface of a middle portion of the quantum dot layer, and a top gate coated on the photosensitive material layer”. The “dual-floating gates optoelectronic self-exciting synaptic memristor” operates in the same field effect principle as a transistor, which requires a conduction channel so that electrons or holes can be transferred to/from source and drain electrodes. According to claim 1, the quantum dot layer (105) is completely isolated from the source electrode (103a) and the drain electrode (103b). Thus, no conduction channel existed or connecting between the source and drain. Assuming an electric field can be asserted on the quantum dot layer (105) when a voltage is applied to the gates electrode, top (101) and bottom (102), there is no conduction channel for electrons or holes to traverse between source and drain electrodes; and the charges, if ever existed in the floating gate storage layers (106) can be transferred to the source and drain electrodes to be read or write. Thus, the synaptic memristor as claimed cannot function. Therefore, claim 1 and all dependent claims, fail to comply with the enablement requirement. Since the claimed device failed to enable, an action on merits of the claims is excluded. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to ANH D MAI whose telephone number is (571)272-1710 (Email: Anh.Mai2@uspto.gov). The examiner can normally be reached 10:00-4:00PM. 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, Sue A Purvis can be reached at 571-272-1236. 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. /ANH D MAI/Primary Examiner, Art Unit 2893
Read full office action

Prosecution Timeline

Sep 15, 2022
Application Filed
Apr 04, 2026
Non-Final Rejection — §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

1-2
Expected OA Rounds
37%
Grant Probability
46%
With Interview (+8.8%)
3y 9m
Median Time to Grant
Low
PTA Risk
Based on 692 resolved cases by this examiner. Grant probability derived from career allow rate.

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