Prosecution Insights
Last updated: October 02, 2026
Application No. 18/991,734

SEPARATOR DEFECT INSPECTION APPARATUS FOR SECONDARY BATTERY

Non-Final OA §102
Filed
Dec 23, 2024
Priority
Jan 29, 2024 — RE 10- 2024-0013476 +1 more
Examiner
NGUYEN, HOAI AN D
Art Unit
Tech Center
Assignee
SK Inc.
OA Round
1 (Non-Final)
86%
Grant Probability
Favorable
1-2
OA Rounds
5m
Est. Remaining
98%
With Interview

Examiner Intelligence

Grants 86% — above average
86%
Career Allowance Rate
631 granted / 734 resolved
+26.0% vs TC avg
Moderate +12% lift
Without
With
+11.9%
Interview Lift
resolved cases with interview
Typical timeline
2y 3m
Avg Prosecution
25 currently pending
Career history
741
Total Applications
across all art units

Statute-Specific Performance

§101
3.7%
-36.3% vs TC avg
§103
37.3%
-2.7% vs TC avg
§102
36.9%
-3.1% vs TC avg
§112
11.1%
-28.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 734 resolved cases

Office Action

§102
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 . Information Disclosure Statement The information disclosure statement (IDS) submitted on December 23, 2024 is being considered by the examiner. Claim Rejections - 35 USC § 102 In the event the determination of the status of the application as subject to AIA 35 U.S.C. 102 and 103 (or as subject to pre-AIA 35 U.S.C. 102 and 103) is incorrect, any correction of the statutory basis (i.e., changing from AIA to pre-AIA ) for the rejection will not be considered a new ground of rejection if the prior art relied upon, and the rationale supporting the rejection, would be the same under either status. 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 1 is rejected under 35 U.S.C. 102(a)(1) as being anticipated by Kwak et al. (US 2021/0184272 A1). Kwak et al. teaches a simultaneous inspection device of multiple secondary battery cell pouches comprising: PNG media_image1.png 772 1082 media_image1.png Greyscale PNG media_image2.png 822 1050 media_image2.png Greyscale PNG media_image3.png 712 854 media_image3.png Greyscale PNG media_image4.png 350 1034 media_image4.png Greyscale With regard to claim 1, a separator defect inspection apparatus (FIG. 1, device 100) for a secondary battery ( FIG. 11 in view of FIG. 1, secondary battery cell pouch 1), the separator defect inspection apparatus (FIG. 1, device 100) comprising: a base plate (FIG. 1, movable member 120) that is provided to be movable toward a secondary battery ( FIG. 11 in view of FIG. 1, secondary battery cell pouch 1); and a compression unit (FIG. 1, pressing panel 130 and pressing drive unit 160) that provides a localized protrusion structure (FIGS. 4 and 5 in view of FIG. 1, pressing pad 136 and pressing piece 137) to an exterior of the base plate (FIG. 1, movable member 120) to compress a predetermined area of the secondary battery ( FIG. 11 in view of FIG. 1, secondary battery cell pouch 1) (For more details, please read the Abstract; paragraphs: [0011]-[0025], [0042]-[0057] and [0100]-[0125]). Allowable Subject Matter Claims 2-14 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 primary reason for the indication of the allowability of claims 2-9 is the inclusion therein, in combination as currently claimed, of the limitation of the compression unit is provided to be movable on the base plate along a longitudinal direction of the base plate. This limitation is found in claims 2-9 is neither disclosed nor taught by the prior art of record, alone or in combination. The primary reason for the indication of the allowability of claims 10-14 is the inclusion therein, in combination as currently claimed, of the limitation of an interleaving sheet that is removably inserted between the separator defect inspection apparatus and another neighboring separator defect inspection apparatus to protect the secondary battery. This limitation is found in claims 10-14 is neither disclosed nor taught by the prior art of record, alone or in combination. Conclusion The prior art made of record and not relied upon is considered pertinent to applicant's disclosure. Applicants’ attention is invited to the followings whose inventions disclose similar devices. Min et al. (US 11,287,478 B2) teaches a separator damage detecting apparatus for detecting a separator damage of a secondary battery. The separator damage detecting apparatus includes a short circuit measuring unit configured to apply a voltage to the electrode assembly and detect a leakage current . CONTACT INFORMATION Any inquiry concerning this communication or earlier communications from the examiner should be directed to HOAI-AN D. NGUYEN whose telephone number is (571) 272-2170. The examiner can normally be reached MON-THURS (7:00 AM - 5:00 PM). 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, LEE E. RODAK can be reached at 571-270-5628. 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. HOAI-AN D. NGUYEN Primary Examiner Art Unit 2858 /HOAI-AN D. NGUYEN/Primary Examiner, Art Unit 2858
Read full office action

Prosecution Timeline

Dec 23, 2024
Application Filed
Sep 10, 2026
Non-Final Rejection mailed — §102 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

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2y 3m to grant Granted Sep 29, 2026
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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
86%
Grant Probability
98%
With Interview (+11.9%)
2y 3m (~5m remaining)
Median Time to Grant
Low
PTA Risk
Based on 734 resolved cases by this examiner. Grant probability derived from career allowance rate.

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