Prosecution Insights
Last updated: April 19, 2026
Application No. 18/193,140

BATTERY PROTECTION BOARD AND MANUFACTURING METHOD THEREOF, BATTERY, AND ELECTRONIC DEVICE

Non-Final OA §102§103§112
Filed
Mar 30, 2023
Examiner
TRAN, UYEN M
Art Unit
1726
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Dongguan Nvt Technology Limited
OA Round
1 (Non-Final)
30%
Grant Probability
At Risk
1-2
OA Rounds
3y 10m
To Grant
70%
With Interview

Examiner Intelligence

Grants only 30% of cases
30%
Career Allow Rate
119 granted / 399 resolved
-35.2% vs TC avg
Strong +40% interview lift
Without
With
+40.2%
Interview Lift
resolved cases with interview
Typical timeline
3y 10m
Avg Prosecution
38 currently pending
Career history
437
Total Applications
across all art units

Statute-Specific Performance

§103
69.6%
+29.6% vs TC avg
§102
14.6%
-25.4% vs TC avg
§112
13.9%
-26.1% vs TC avg
Black line = Tech Center average estimate • Based on career data from 399 resolved cases

Office Action

§102 §103 §112
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 . Election/Restrictions Applicant’s election without traverse of group I, claims 1-14 in the reply filed on 11/12/2025 is acknowledged. 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 13 recites the limitation "the cell" in line 1. There is insufficient antecedent basis for this limitation in the claim. 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) 1-2, 5-6 is/are rejected under 35 U.S.C. 102a1 as being anticipated by Na et al (PG pub 20210014976). Regarding claim 1, Na et al teaches a battery protection circuit comprising: a first circuit board 110, a second circuit board 112, and a tab connecting portion 114 the first circuit board 110 comprises a first substrate 102 and electronic components 104 [fig 1 2]; the first substrate comprises a first surface and a second surface opposite to each other [fig 1-2]; wherein the electronic components 104 are disposed on the first surface; the second circuit board 112 comprises a second substrate; the second substrate comprises a third surface and a fourth surface opposite to each other [fig 2]; and the third surface is connected with the second surface, and the tab connecting portion 114 is disposed on the fourth surface [ para 59 looking in the side direction]. Regarding claim 2, Na et al teaches the first substrate 110 is a rigid printed board and the second substrate is a flex printed board (the second substrate include FBCB 140) [fig 2 para 69 75]. Regarding claim 5, Na et al teaches an insulating layer 122 wherein the insulation layer covers the electronic components on the first surface [fig 5 para 66] Regarding claim 6, Na et al teaches the electronic components are electronic components with individual packages [fig 2 para 52] 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. The factual inquiries for establishing a background for determining obviousness under 35 U.S.C. 103 are summarized as follows: 1. Determining the scope and contents of the prior art. 2. Ascertaining the differences between the prior art and the claims at issue. 3. Resolving the level of ordinary skill in the pertinent art. 4. Considering objective evidence present in the application indicating obviousness or nonobviousness. Claim(s) 1-2, 5-12, 14 are rejected under 35 U.S.C. 103 as being unpatentable over Na et al (PG pub 20210014976) and in view of Cn21128408, hereinafter as’408. Regarding claim 1, Na et al teaches a battery protection circuit comprising: a first circuit board 110, a second circuit board 112, and a tab connecting portion 114 the first circuit board 110 comprises a first substrate 102 and electronic components 104 [fig 1 2]; the first substrate comprises a first surface and a second surface opposite to each other [fig 1-2]; wherein the electronic components 104 are disposed on the first surface; the second circuit board 112 comprises a second substrate; the second substrate comprises a third surface and a fourth surface opposite to each other [fig 2]; and the third surface is connected with the second surface, and the tab connecting portion 114 is connected the fourth surface [ para 59]. Na et al teaches the claimed limitation as set forth above, but Na et al does not teach the tab connecting portion being disposed on fourth surface. ‘408 teaches a battery protection plate comprising first circuit board 400, second circuit board 12 where the tab connecting portion 15 being disposed on the fourth surface of the circuit board [fig 1A-C] It would have been obvious to one of ordinary skill in the art at the time the invention was filed to have the tab connecting portion of Na et al to be on the fourth surface of the second circuit board as taught by ‘408 since the claimed subject matter merely combines familiar elements according to known methods and does no more than yield predictable results. See MPEP 2141 (III) Rationale A,KSR v. Teleflex (Supreme Court 2007). Regarding claim 2, modified Na et al teaches the first substrate 110 is a rigid printed board and the second substrate is a flex printed board (the second substrate include FBCB 140) [fig 2 para 69 75]. Regarding claim 5, modified Na et al teaches an insulating layer 122 wherein the insulation layer covers the electronic components on the first surface [fig 5 para 66] Regarding claim 6, modified Na et al teaches the electronic components are electronic components with individual packages [fig 2 para 52] (the component is on itself as a whole) Regarding claim 7. modified Na et al teaches the electronic components are electronic components without individual packages [fig 2 para 56] (the component is connected to the lead frame 112]. Regarding claim 8, modified Na et al teaches a first circuit board as set forth above where the first circuit board is disposed on the second circuit board , but modified Na et al does not teach a plurality of first circuit board. It would have been obvious to one of ordinary skill in the art at the time the invention was filed to duplicate the first circuit board as taught by modified Na et al to be in plurality first circuit board being disposed on the second circuit board since it has been held that mere duplication of the essential working parts of a devices involves only routine skill in the art. St. Regis Paper Co. v. Bemis Co., 193 USPQ 8 Regarding claim 9, modified Na et al teaches the claimed limitation, as set forth above, but modified Na et al does not teach the plurality of bonding pad between second and third surface. ‘408 teaches there being bonding pads 13, 121 between the first and second circuit board 11 and 12 [fig 2]. It would have been obvious to one of ordinary skill in the art at the time the invention was filed to add the boding pads of ‘408 between second and third surface such that first circuit board and second circuit board are connected as taught by modified Na et al for improving boding between two circuit board. The recitation “by welding…bonding pads” is the presence of process limitation on product claims, which product does not otherwise patentably distinguish over prior art, cannot impart patentability to the product. In re Stephens 145 USPQ 656 (CCPA, 1965). Regarding claim 10, modified Na et al teaches each set of bonding pads being disposed in a length direction of the second surface, and plurality of sets of bonding pads are disposed in width direction of the second surface [fig 2. ‘408]. Regarding claim 11, modified Na et al teaches two connectors 140 disposed at two end of the second substate [fig 8] Regarding claim 12, modified Na teaches the protection board being connected to the battery cell [abstract] Regarding claim 14, modified Na et al teaches the batteries being used for electronic device [para 3]. Claim(s) 3 is rejected under 35 U.S.C. 103 as being unpatentable over Na et al (PG pub 20210014976) and Cn21128408, and further in view of EP 3309893, hereinafter as ‘893. Regarding claim 3, modified Na et al teaches the claimed limitation, but modified Na et al does not teach the rigid printed board being made of phelonic paper laminate. ‘893 teaches a double layer circuit board being made of paper phenolic laminate [description section] It would have been obvious to one of ordinary skill in the art at the time the invention was filed to modify the material of rigid circuit board of modified Na et al to be made of paper phenolic laminate as taught by ‘893 since Selection of a known material based on its suitability for its intended use, supports prima facie obviousness determination (MPEP2144.07). Claim(s) 4 is rejected under 35 U.S.C. 103 as being unpatentable over Na et al (PG pub 20210014976) and Cn21128408, and further in view of Johnson et al (PG pub 20070264564). Regarding claim 4, modified Na et al teaches the claimed limitation, but modified Na et al does not teach the flex printed board being made of polyimide. Johnson et al teaches a flexible circuit board being made of polyimide [claim 40] It would have been obvious to one of ordinary skill in the art at the time the invention was filed to modify the material of flex circuit board of modified Na et al to be made of polyimide as taught by Johnson et al since selection of a known material based on its suitability for its intended use, supports prima facie obviousness determination (MPEP2144.07). Claim(s) 13 is rejected under 35 U.S.C. 103 as being unpatentable over Na et al (PG pub 20210014976) and Cn21128408, and Cn21128408 and further in view of CN212517274, hereinafter as ‘274. Regarding claim 13, modified Na et al teaches at least one tab connecting portion being used for connecting to the battery [para 74]. However, modified Na et al does not explicitly teach three tab connecting portion. It would have been obvious to one of ordinary skill in the art at the time the invention was filed to duplicate the tab connecting portion as taught by modified Na et al to be included three tab connecting portions since it has been held that mere duplication of the essential working parts of a device involves only routine skill in the art. St. Regis Paper Co. v. Bemis Co., 193 USPQ 8. Modified Na et al teaches the claimed limitation as set forth above, but modified Na et al does not teach cell including first, second and third tab as claimed. ‘274 teaches a battery comprising plurality of tabs with positive and negative polarities (description section). It would have been obvious to one of ordinary skill in the art at the time the invention was filed to have three tabs connecting portions of modified Na et al to be connected to 3 tabs of ‘274 for reducing the temperature rise of the protection plate, improve the performance and service life of the battery [description section]. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to UYEN M TRAN whose telephone number is (571)270-7602. The examiner can normally be reached Monday-Friday 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, Jeffrey Barton can be reached at 5712721307. 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. /UYEN M TRAN/ Primary Examiner, Art Unit 1726
Read full office action

Prosecution Timeline

Mar 30, 2023
Application Filed
Jan 22, 2026
Non-Final Rejection — §102, §103, §112 (current)

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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
30%
Grant Probability
70%
With Interview (+40.2%)
3y 10m
Median Time to Grant
Low
PTA Risk
Based on 399 resolved cases by this examiner. Grant probability derived from career allow rate.

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