Prosecution Insights
Last updated: April 19, 2026
Application No. 18/155,560

COMPOSITE ELECTROLYTES WITH BINDERS

Final Rejection §103
Filed
Jan 17, 2023
Examiner
CAI, WENWEN
Art Unit
1763
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Blue Current Inc.
OA Round
4 (Final)
60%
Grant Probability
Moderate
5-6
OA Rounds
3y 2m
To Grant
80%
With Interview

Examiner Intelligence

Grants 60% of resolved cases
60%
Career Allow Rate
509 granted / 850 resolved
-5.1% vs TC avg
Strong +20% interview lift
Without
With
+19.8%
Interview Lift
resolved cases with interview
Typical timeline
3y 2m
Avg Prosecution
74 currently pending
Career history
924
Total Applications
across all art units

Statute-Specific Performance

§101
0.8%
-39.2% vs TC avg
§103
43.6%
+3.6% vs TC avg
§102
17.4%
-22.6% vs TC avg
§112
27.9%
-12.1% vs TC avg
Black line = Tech Center average estimate • Based on career data from 850 resolved cases

Office Action

§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 . Response to Amendment The amendment of claims 1, 23, 32 are supported by the specification. The new claims 34-42 are supported by the specification. Any rejections and/or objections made in the previous Office action and not repeated below are hereby withdrawn. The text of those sections of Title 35, U.S. Code not included in this action can be found in a prior Office action. The new grounds of rejection set forth below are necessitated by applicant's amendment filed on 2/13/2026. Thus, the following action is properly made final. Claim Rejections - 35 USC § 103 Claims 1-9, 11 is/are rejected under 35 U.S.C. 103 as being unpatentable over Li et al (US 2022/0208410). Claim 1-4, 8: Li teaches a solid electrolyte comprising a polymer and a ceramic [00172-00177]. The polymer can be polyvinyl chloride, the ceramic can be Li6PS5Cl. The electrolyte has an ionic conductivity of greater than 1 mS cm-1 (abstract). Li does not expressly name a single embodiment having the claimed composition. However, each of the components of the composition is described in the reference. Therefore, it would have been obvious to a person of ordinary skill in the art at the time of the present invention to have made any of the compositions suggested by the reference, including the claimed composition, thereby arriving at the presently claimed invention. Claims 5-7: Li does not teach the content of polymer and ceramic in the electrolyte. However, the content of the ceramic is a result effective variable where insufficient amount may result in poor mechanical modulus and poor lithium dendrite suppression ability, whereas excessive amounts lead to brittleness and poor processability. Therefore, it would have been obvious to one of ordinary skill in the art at the time the invention was made to adjust the amount of the ceramic through routine experimentation to balance between those properties.Case law holds that "discovery of an optimum value of a result effective variable in a known process is ordinarily within the skill of the art." In re Antonie, 559 F.2d 618, 195 USPQ 6 (CCPA 1977). In re Boesch, 617 F.2d 272, 205 USPQ 215 (CCPA 1980). Claims 9, 11: Li is silent with respect to the elongation at break value of the composition. However, the teachings from Li have rendered obvious the instantly claimed ingredients and amounts thereof. Therefore, it is reasonable that one of ordinary skill in the art would expect the claimed physical properties to naturally arise. Allowable Subject Matter Claims 23, 32, 34-42 are allowable. Response to Arguments Applicant’s arguments have been considered but are moot in view of the new ground(s) of rejection. Conclusion Applicant's amendment necessitated the new ground(s) of rejection presented in this Office action. Accordingly, THIS ACTION IS MADE FINAL. See MPEP § 706.07(a). Applicant is reminded of the extension of time policy as set forth in 37 CFR 1.136(a). A shortened statutory period for reply to this final action is set to expire THREE MONTHS from the mailing date of this action. In the event a first reply is filed within TWO MONTHS of the mailing date of this final action and the advisory action is not mailed until after the end of the THREE-MONTH shortened statutory period, then the shortened statutory period will expire on the date the advisory action is mailed, and any extension fee pursuant to 37 CFR 1.136(a) will be calculated from the mailing date of the advisory action. In no event, however, will the statutory period for reply expire later than SIX MONTHS from the date of this final action. Any inquiry concerning this communication or earlier communications from the examiner should be directed to WENWEN CAI whose telephone number is (571)270-3590. The examiner can normally be reached on M-F 9am-6pm. 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, Joseph Del Sole can be reached on (571)272-1130. The fax phone number for the organization where this application or proceeding is assigned is 571-273-8300. Information regarding the status of an application may be obtained from the Patent Application Information Retrieval (PAIR) system. Status information for published applications may be obtained from either Private PAIR or Public PAIR. Status information for unpublished applications is available through Private PAIR only. For more information about the PAIR system, see http://pair-direct.uspto.gov. Should you have questions on access to the Private PAIR system, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). If you would like assistance from a USPTO Customer Service Representative or access to the automated information system, call 800-786-9199 (IN USA OR CANADA) or 571-272-1000. /WENWEN CAI/ Primary Examiner, Art Unit 1763
Read full office action

Prosecution Timeline

Jan 17, 2023
Application Filed
Aug 03, 2023
Response after Non-Final Action
Mar 25, 2024
Non-Final Rejection — §103
Sep 30, 2024
Response Filed
Jan 30, 2025
Final Rejection — §103
May 02, 2025
Response after Non-Final Action
May 09, 2025
Request for Continued Examination
May 12, 2025
Response after Non-Final Action
Aug 11, 2025
Non-Final Rejection — §103
Feb 13, 2026
Response Filed
Mar 02, 2026
Final Rejection — §103 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12600886
RESINS FOR ADHESIVE BONDING OF FABRICS
2y 5m to grant Granted Apr 14, 2026
Patent 12590201
DEGRADATION PROMOTER FOR ALIPHATIC POLYESTER BIODEGRADABLE RESIN, BIODEGRADABLE RESIN COMPOSITION, AND METHOD FOR PROMOTING DEGRADATION OF ALIPHATIC POLYESTER BIODEGRADABLE RESIN
2y 5m to grant Granted Mar 31, 2026
Patent 12559592
BRANCHED AMORPHOUS POLYAMIDE (CO)POLYMERS AND METHODS OF MAKING AND USING SAME
2y 5m to grant Granted Feb 24, 2026
Patent 12552956
PHOTOPOLYMERIZABLE TYPE DENTAL SURFACE COATING COMPOSITION
2y 5m to grant Granted Feb 17, 2026
Patent 12534556
CURABLE COMPOSITION, CURED ARTICLE USING SAME, AND METHOD FOR PRODUCING CURED ARTICLE
2y 5m to grant Granted Jan 27, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

5-6
Expected OA Rounds
60%
Grant Probability
80%
With Interview (+19.8%)
3y 2m
Median Time to Grant
High
PTA Risk
Based on 850 resolved cases by this examiner. Grant probability derived from career allow rate.

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