Prosecution Insights
Last updated: October 16, 2026
Application No. 18/758,666

ELECTRODE COMPOSITE MATERIAL, LITHIUM-ION BATTERY, AND PRODUCTION METHOD FOR LITHIUM-ION BATTERY

Non-Final OA §DP
Filed
Jun 28, 2024
Priority
Jul 28, 2023 — JP 2023-123392
Examiner
CHAN, HENG M
Art Unit
1725
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Toyota Motor Corporation
OA Round
1 (Non-Final)
61%
Grant Probability
Moderate
1-2
OA Rounds
1y 2m
Est. Remaining
93%
With Interview

Examiner Intelligence

Grants 61% of resolved cases
61%
Career Allowance Rate
249 granted / 408 resolved
-4.0% vs TC avg
Strong +32% interview lift
Without
With
+31.9%
Interview Lift
resolved cases with interview
Typical timeline
3y 5m
Avg Prosecution
17 currently pending
Career history
425
Total Applications
across all art units

Statute-Specific Performance

§101
0.8%
-39.2% vs TC avg
§103
49.0%
+9.0% vs TC avg
§102
19.5%
-20.5% vs TC avg
§112
26.1%
-13.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 408 resolved cases

Office Action

§DP
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 Application Claims 1-6 are pending and presented for examination on the merit. Double Patenting The nonstatutory double patenting rejection is based on a judicially created doctrine grounded in public policy (a policy reflected in the statute) so as to prevent the unjustified or improper timewise extension of the “right to exclude” granted by a patent and to prevent possible harassment by multiple assignees. A nonstatutory double patenting rejection is appropriate where the conflicting claims are not identical, but at least one examined application claim is not patentably distinct from the reference claim(s) because the examined application claim is either anticipated by, or would have been obvious over, the reference claim(s). See, e.g., In re Berg, 140 F.3d 1428, 46 USPQ2d 1226 (Fed. Cir. 1998); In re Goodman, 11 F.3d 1046, 29 USPQ2d 2010 (Fed. Cir. 1993); In re Longi, 759 F.2d 887, 225 USPQ 645 (Fed. Cir. 1985); In re Van Ornum, 686 F.2d 937, 214 USPQ 761 (CCPA 1982); In re Vogel, 422 F.2d 438, 164 USPQ 619 (CCPA 1970); In re Thorington, 418 F.2d 528, 163 USPQ 644 (CCPA 1969). A timely filed terminal disclaimer in compliance with 37 CFR 1.321(c) or 1.321(d) may be used to overcome an actual or provisional rejection based on nonstatutory double patenting provided the reference application or patent either is shown to be commonly owned with the examined application, or claims an invention made as a result of activities undertaken within the scope of a joint research agreement. See MPEP § 717.02 for applications subject to examination under the first inventor to file provisions of the AIA as explained in MPEP § 2159. See MPEP § 2146 et seq. for applications not subject to examination under the first inventor to file provisions of the AIA . A terminal disclaimer must be signed in compliance with 37 CFR 1.321(b). The filing of a terminal disclaimer by itself is not a complete reply to a nonstatutory double patenting (NSDP) rejection. A complete reply requires that the terminal disclaimer be accompanied by a reply requesting reconsideration of the prior Office action. Even where the NSDP rejection is provisional the reply must be complete. See MPEP § 804, subsection I.B.1. For a reply to a non-final Office action, see 37 CFR 1.111(a). For a reply to final Office action, see 37 CFR 1.113(c). A request for reconsideration while not provided for in 37 CFR 1.113(c) may be filed after final for consideration. See MPEP §§ 706.07(e) and 714.13. The USPTO Internet website contains terminal disclaimer forms which may be used. Please visit www.uspto.gov/patent/patents-forms. The actual filing date of the application in which the form is filed determines what form (e.g., PTO/SB/25, PTO/SB/26, PTO/AIA /25, or PTO/AIA /26) should be used. A web-based eTerminal Disclaimer may be filled out completely online using web-screens. An eTerminal Disclaimer that meets all requirements is auto-processed and approved immediately upon submission. For more information about eTerminal Disclaimers, refer to www.uspto.gov/patents/apply/applying-online/eterminal-disclaimer. Claims 1, 2, and 4 are provisionally rejected on the ground of nonstatutory double patenting as being unpatentable over claims 1-4 of copending Application No. 18/648,883 (reference application). Although the claims at issue are not identical, they are not patentably distinct from each other because the electrode active material particle of claim 1 and the electrode composite material of claim 3 of the reference application correspond to the electrode composite material of claim 1 in the present invention, as they include a silicon clathrate portion and an amorphous silicon portion and the atom% ranges are the same. The subject matters of claims 2 and 4 of the conflicting application are essentially the same as those of the counterparts in the present invention. This is a provisional nonstatutory double patenting rejection because the patentably indistinct claims have not in fact been patented. Allowable Subject Matter Claims 3, 5, and 6 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: the claims are allowable over the closest prior art of record, JP 2021-158003 to Otaki et al. (cited by Applicant). The prior art teaches an electrode active material of a crystalline silicon clathrate type II having a composition of NaxSi136 (1.98<x<2.54) (abstract), but does not teach a composite material of a silicon clathrate particle and an amorphous silicon particle. As a result, there was no teaching about the ratio of the number of silicon atoms in the amorphous silicon particle relative to a total number of silicon atoms in the composite. No other prior arts were found to teach or render obvious the claimed invention. Accordingly, the claims are allowed. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to HENG M CHAN whose telephone number is (571)270-5859. The examiner can normally be reached 9 am - 5:30 pm on Monday, 9 am - 3 pm on Tuesday, and 9 am to 1 pm on Wednesday and Thursday. 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, Basia Ridley can be reached at 571-272-1453. 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. /Heng M. Chan/Examiner, Art Unit 1725 /Sean P Cullen, Ph.D./Primary Examiner, Art Unit 1725
Read full office action

Prosecution Timeline

Jun 28, 2024
Application Filed
Oct 02, 2026
Non-Final Rejection mailed — §DP (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
61%
Grant Probability
93%
With Interview (+31.9%)
3y 5m (~1y 2m remaining)
Median Time to Grant
Low
PTA Risk
Based on 408 resolved cases by this examiner. Grant probability derived from career allowance rate.

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