Prosecution Insights
Last updated: May 29, 2026
Application No. 18/726,931

DATA PROCESSING METHOD BASED ON MEMRISTOR ARRAY, AND ELECTRONIC APPARATUS

Non-Final OA §102§103
Filed
Jul 05, 2024
Priority
Jan 07, 2022 — CN 202210016618.1 +1 more
Examiner
NGUYEN, VAN THU T
Art Unit
2824
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
Tsinghua University
OA Round
1 (Non-Final)
83%
Grant Probability
Favorable
1-2
OA Rounds
3m
Est. Remaining
89%
With Interview

Examiner Intelligence

Grants 83% — above average
83%
Career Allowance Rate
788 granted / 953 resolved
+14.7% vs TC avg
Moderate +7% lift
Without
With
+6.6%
Interview Lift
resolved cases with interview
Typical timeline
2y 2m
Avg Prosecution
19 currently pending
Career history
987
Total Applications
across all art units

Statute-Specific Performance

§101
0.2%
-39.8% vs TC avg
§103
69.5%
+29.5% vs TC avg
§102
21.0%
-19.0% vs TC avg
§112
7.0%
-33.0% vs TC avg
Black line = Tech Center average estimate • Based on career data from 953 resolved cases

Office Action

§102 §103
DETAILED ACTION The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Claims 1-18 are pending and examined. Claim Objections Claims 5, 11-16 are objected to under 37 CFR 1.75(c) as being in improper form because a multiple dependent claim cannot depend from any other multiple dependent claim. For example. See MPEP § 608.01(n). Accordingly, the claims have not been further treated on the merits. Claim Rejections - 35 USC § 102 The following is a quotation of the appropriate paragraphs of 35 U.S.C. 102 that form the basis for the rejections under this section made in this Office action: A person shall be entitled to a patent unless – (a)(1) the claimed invention was patented, described in a printed publication, or in public use, on sale, or otherwise available to the public before the effective filing date of the claimed invention. Claims 1, 6, 17 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by US 11,853,385 to Luo (hereafter Luo). Regarding independent claim 1, Luo teaches a data processing method based on a memristor array, wherein the data processing comprises a matrix-vector multiplication operation in complex domain (FIG. 4B: memory array 412), the memristor array comprises a plurality of memristor units arranged in an array and is configured to be capable of performing a multiplication-addition operation, the data processing method comprises: acquiring a plurality of first analog signals (FIG. 6A: signal a inputted to Tx 602); setting the memristor array, and writing data of a parameter matrix corresponding to the data processing into the memristor array (FIG. 4B: data as shown in memory cells of memory array 412), wherein a matrix in the complex domain comprises a real-portion matrix (FIG. 4B: +M read coefficients in sub-array 402 and/or -M read coefficients in sub-array 404) and an imaginary-portion matrix (FIG. 4B: +M imaginary coefficients in sub-array 406 and -M imaginary coefficients in sub-array 408); the parameter matrix comprises the real-portion matrix (FIG. 4B: +M read coefficients in sub-arrays 402 and/or -M read coefficients in sub-array 404), the imaginary-portion matrix (FIG. 4B: +M imaginary coefficients in sub-array 406), and an imaginary-portion negative matrix (FIG. 4B: -M imaginary coefficients in sub-array 408) obtained based on the imaginary-portion matrix; a plurality of parameter elements in the imaginary-portion negative matrix is in one-to-one correspondence with a plurality of parameter elements in the imaginary-portion matrix, and each parameter element in the imaginary-portion negative matrix is a negative value of a corresponding parameter element in the imaginary-portion matrix; and inputting the plurality of first analog signals into a plurality of column signal input terminals of the set memristor array (FIG. 3: corresponding to row terminals of matrix fabric 321, see 18:59-65), respectively, controlling operation of the memristor array to perform the data processing on the plurality of first analog signals, and obtaining a plurality of second analog signals after performing the data processing at a plurality of row signal output terminals of the memristor array, respectively (FIG. 3: corresponding to column terminals of matrix fabric 321, see 18:59-65). Regarding dependent claim 6, Luo teaches wherein each of the plurality of first analog signals comprises a first real-portion analog signal and a first imaginary-portion analog signal, acquiring the plurality of first analog signals, comprises: acquiring a vector in the complex domain used for the data processing, wherein the vector in the complex domain comprises a real-portion vector (FIG. 4B: e.g. vectors obtained from equations 6 and 7 in reverse, which occurs in encoding process) and an imaginary-portion vector (FIG. 4B: e.g. vectors obtained from equations 8 and 9 in reverse, which occurs in encoding process); and encoding the real-portion vector and the imaginary-portion vector, respectively, to obtain a plurality of first real-portion analog signals and a plurality of first imaginary-portion analog signals (FIG. 6A: process of encoding occurred between Tx 602 and Rx 604). Regarding independent claim 17, Luo teaches an electronic apparatus, comprising: a memristor array, configured to be capable of performing a multiplication-addition operation (FIG. 4B: memory array 412); a signal acquiring apparatus, configured to acquire a plurality of first analog signals (FIG. 6A: signal a inputted to Tx 602); a control driving circuit, configured to execute steps of: setting the memristor array, and writing data of a parameter matrix corresponding to the data processing into the memristor array (FIG. 4B: data as shown in memory cells of memory array 412), wherein a matrix in the complex domain comprises a real-portion matrix (FIG. 4B: +M read coefficients in sub-array 402 and/or -M read coefficients in sub-array 404) and an imaginary-portion matrix (FIG. 4B: +M imaginary coefficients in sub-array 406 and -M imaginary coefficients in sub-array 408); the parameter matrix comprises the real-portion matrix (FIG. 4B: +M read coefficients in sub-arrays 402 and/or -M read coefficients in sub-array 404), the imaginary-portion matrix (FIG. 4B: +M imaginary coefficients in sub-array 406), and an imaginary-portion negative matrix (FIG. 4B: -M imaginary coefficients in sub-array 408) obtained based on the imaginary-portion matrix; a plurality of parameter elements in the imaginary-portion negative matrix is in one-to-one correspondence with a plurality of parameter elements in the imaginary-portion matrix, and each parameter element in the imaginary-portion negative matrix is a negative value of a corresponding parameter element in the imaginary-portion matrix; and inputting the plurality of first analog signals into a plurality of column signal input terminals of the set memristor array (FIG. 3: corresponding to row terminals of matrix fabric 321, see 18:59-65), respectively, controlling operation of the memristor array to perform the data processing on the plurality of first analog signals, and obtaining a plurality of second analog signals after performing the data processing at a plurality of row signal output terminals of the memristor array, respectively (FIG. 3: corresponding to column terminals of matrix fabric 321, see 18:59-65). Claim Rejections - 35 USC § 103 The following is a quotation of 35 U.S.C. 103 which forms the basis for all obviousness rejections set forth in this Office action: A patent for a claimed invention may not be obtained, notwithstanding that the claimed invention is not identically disclosed as set forth in section 102, if the differences between the claimed invention and the prior art are such that the claimed invention as a whole would have been obvious before the effective filing date of the claimed invention to a person having ordinary skill in the art to which the claimed invention pertains. Patentability shall not be negated by the manner in which the invention was made. Claim 10 is rejected under 35 U.S.C. 103 as being unpatentable over Luo. Regarding dependent claim 10, Luo real-portion matrix +M read coefficients, imaginary-portion matrix +M imaginary coefficients and imaginary-portion negative matrix -M read coefficients. However, Luo does not explicitly teach the parameter matrix is represent as: PNG media_image1.png 63 184 media_image1.png Greyscale However, it would have been obvious to one with ordinary skill the in art to realize that representative of a parameter matrix is a matter of design choice, which depends on the intended calculation. Allowable Subject Matter Claims 2-4, 7-9, 18 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. With respect to dependent claim 2: wherein the memristor array comprises a first sub-array, a second sub-array, a third sub-array and a fourth sub-array, setting the memristor array, and writing the data of the parameter matrix corresponding to the data processing into the memristor array, comprises: mapping a plurality of parameter elements in the real-portion matrix to the first sub-array and the fourth sub-array, respectively, in a form of the real-portion matrix, mapping the plurality of parameter elements in the imaginary-portion matrix to the third sub-array in a form of the imaginary-portion matrix, and mapping the plurality of parameter elements in the imaginary-portion negative matrix to the second sub-array in a form of the imaginary-portion negative matrix, wherein the first sub-array and the second sub-array are located in a same row in the memristor array but do not overlap with each other in a row direction, the third sub- array and the fourth sub-array are located in a same row in the memristor array but do not overlap with each other in the row direction, and the first sub-array and the third sub- array do not overlap with each other in a column direction. With respect to dependent claim 7: wherein inputting the plurality of first analog signals into the plurality of column signal input terminals of the set memristor array, respectively, comprises: inputting the plurality of first real-portion analog signals into column signal input terminals of the first sub-array and column signal input terminals of the third sub-array, respectively; and inputting the plurality of first imaginary-portion analog signals into column signal input terminals of the second sub-array and column signal input terminals of the fourth sub-array, respectively. With respect to dependent claim 18: wherein the memristor array comprises a first sub-array, a second sub-array, a third sub-array and a fourth sub-array, the control driving circuit, when executing setting the memristor array, and writing the data of the parameter matrix corresponding to the data processing into the memristor array, is configured to execute steps of: mapping a plurality of parameter elements in the real-portion matrix to the first sub-array and the fourth sub-array, respectively, in a form of the real-portion matrix, mapping the plurality of parameter elements in the imaginary-portion matrix to the third sub-array in a form of the imaginary-portion matrix, and mapping the plurality of parameter elements in the imaginary-portion negative matrix to the second sub-array in a form of the imaginary-portion negative matrix, wherein the first sub-array and the second sub-array are located in a same row in the memristor array but do not overlap with each other in a row direction, the third sub- array and the fourth sub-array are located in a same row in the memristor array but do not overlap with each other in the row direction, and the first sub-array and the third sub- array do not overlap with each other in a column direction. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to VANTHU NGUYEN whose telephone number is (571)272-1881. The examiner can normally be reached M-F: 7:00AM - 3:00PM. 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, Richard Elms can be reached at (571) 272-1869. 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. February 11, 2026 /VANTHU T NGUYEN/Primary Examiner, Art Unit 2824
Read full office action

Prosecution Timeline

Jul 05, 2024
Application Filed
Jul 05, 2024
Response after Non-Final Action
Feb 17, 2026
Non-Final Rejection mailed — §102, §103
May 18, 2026
Response Filed

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12640941
Systems and Methods for Providing Reliable Physically Unclonable Functions
3y 10m to grant Granted May 26, 2026
Patent 12626731
METHODS FOR OPTIMIZING SEMICONDUCTOR DEVICE PLACEMENT ON A SUBSTRATE FOR IMPROVED PERFORMANCE, AND ASSOCIATED SYSTEMS AND METHODS
2y 3m to grant Granted May 12, 2026
Patent 12620425
MEMORY DEVICE AND METHOD OF OPERATING THE SAME
2y 6m to grant Granted May 05, 2026
Patent 12618893
APPARATUS AND METHOD OF MEASURING RELIABILITY FOR FLASH MEMORY MATERIAL THROUGH A CURRENT MEASUREMENT
2y 6m to grant Granted May 05, 2026
Patent 12620448
SOLID STATE DRIVE (SSD) WITH IN-FLIGHT ERASURE ITERATION SUSPENSION
1y 10m to grant Granted May 05, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

Strategy Recommendation AI-generated — please review before filing

Get a prosecution strategy drawn from examiner precedents, rejection analysis, and claim mapping.
Typically takes 5-10 seconds — AI-generated, attorney review required before filing

Prosecution Projections

1-2
Expected OA Rounds
83%
Grant Probability
89%
With Interview (+6.6%)
2y 2m (~3m remaining)
Median Time to Grant
Low
PTA Risk
Based on 953 resolved cases by this examiner. Grant probability derived from career allowance rate.

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month