Prosecution Insights
Last updated: May 29, 2026
Application No. 18/413,742

METHOD FOR PREPARING A HIGH-PERFORMANCE SILICON-CARBON COMPOSITE GRAPHITE MATERIALS

Non-Final OA §102§112
Filed
Jan 16, 2024
Examiner
NGUYEN, TRI V
Art Unit
1764
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Glory Material Co. Ltd.
OA Round
1 (Non-Final)
68%
Grant Probability
Favorable
1-2
OA Rounds
8m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 68% — above average
68%
Career Allowance Rate
642 granted / 950 resolved
+2.6% vs TC avg
Strong +58% interview lift
Without
With
+57.8%
Interview Lift
resolved cases with interview
Typical timeline
3y 0m
Avg Prosecution
30 currently pending
Career history
995
Total Applications
across all art units

Statute-Specific Performance

§101
0.4%
-39.6% vs TC avg
§103
87.9%
+47.9% vs TC avg
§102
5.3%
-34.7% vs TC avg
§112
4.7%
-35.3% vs TC avg
Black line = Tech Center average estimate • Based on career data from 950 resolved cases

Office Action

§102 §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 . Drawings The Drawings filed 16 January 2024 are approved by the examiner. Citation Notation The following citations are made for the convenience of the reader: Citations to PG publications are made to paragraph number under the ¶ format. Citations to other publications made under the format “ col 1/2” or pp 1 are directed to column and line number or to a page - whichever is appropriate. It is noted that any reference to a figure or a table is also directed to any accompanying text in the specification or the document. Notwithstanding those citations, the reference(s) is (are) relied upon for the teachings as a whole. Claim Objections Claims 1-4 and 6 are objected to because of the following informalities: In claim 1, line 9, “separation” should be “separated”; In claims 2-4, “and” should be added before the last limitation (e.g. before “a particle”); In claim 6, “a” should be added before “heat treatment”. Appropriate correction is required. 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 3 is 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 3, the “x” variable is not defined. 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. Claim(s) 1-8 is/are rejected under 35 U.S.C. 102(a))(1) as being anticipated by Zhou (CN-116826018-A, a machine translation is provided). Claim 1: Zhou discloses “a preparation method of a high-performance silicon-carbon composite graphite material, which comprises the following specific steps: 1) Grinding and sieving graphite material, silicon material and binder; 2) Putting the screened graphite material, silicon material and binder into a high-speed mixer for uniform mixing, and then putting into a mould for compression into ingots; 3) And 2) performing heat treatment carbonization on the ingot obtained in the step 2) in inert gas, cooling to room temperature, crushing, grinding, mixing, sieving and magnetically separating to obtain the high-performance silicon carbon composite graphite material.” (abs, see also examples) Claims 2-5 and 8: Zhou discloses the claimed particle size, the artificial graphite/mesocarbon microbeads, the silicon material, the resin and the loading ratios (pg. 2 and examples). Claims 6 and 7: Zhou discloses the experimental conditions/variables such as the heating treatment and inert gas (abs, pg.2-3 and examples). Conclusion The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. Yamamoto discloses a process of making carbon silicon composites via grinding, sieving, a high-speed mixing, molding, performing a heat treatment, pulverizing and separating. Any inquiry concerning this communication or earlier communications from the examiner should be directed to TRI V NGUYEN whose telephone number is (571)272-6965. The examiner can normally be reached M-F 9-5. 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, Arrie Lanee Reuthers can be reached at 571.272.7026. 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. /TRI V NGUYEN/Primary Examiner, Art Unit 1764
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Prosecution Timeline

Jan 16, 2024
Application Filed
Mar 11, 2026
Non-Final Rejection mailed — §102, §112 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

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VISCOELASTIC CONDUCTIVE HYDROGEL
3y 1m to grant Granted May 26, 2026
Patent 12629653
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Patent 12609213
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Patent 12594598
COPPER FINE PARTICLE DISPERSION
2y 2m to grant Granted Apr 07, 2026
Patent 12597597
PASSIVATED SILICON-CARBON COMPOSITE MATERIALS
2y 0m to grant Granted Apr 07, 2026
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
68%
Grant Probability
99%
With Interview (+57.8%)
3y 0m (~8m remaining)
Median Time to Grant
Low
PTA Risk
Based on 950 resolved cases by this examiner. Grant probability derived from career allowance rate.

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