Prosecution Insights
Last updated: October 02, 2026
Application No. 18/463,060

APPARATUSES AND METHODS FOR ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY IN A RECONFIGURABLE BATTERY

Final Rejection §102
Filed
Sep 07, 2023
Priority
Dec 06, 2022 — provisional 63/576,434
Examiner
MIKELS, MATTHEW
Art Unit
Tech Center
Assignee
Analog Devices Inc.
OA Round
2 (Final)
81%
Grant Probability
Favorable
3-4
OA Rounds
0m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 81% — above average
81%
Career Allowance Rate
1070 granted / 1320 resolved
+21.1% vs TC avg
Strong +20% interview lift
Without
With
+20.2%
Interview Lift
resolved cases with interview
Fast prosecutor
2y 2m
Avg Prosecution
36 currently pending
Career history
1337
Total Applications
across all art units

Statute-Specific Performance

§101
1.8%
-38.2% vs TC avg
§103
47.4%
+7.4% vs TC avg
§102
35.7%
-4.3% vs TC avg
§112
4.6%
-35.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1320 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 . Applicant’s response dated 8/27/26 is acknowledged and entered. Claims 1-20 are pending. 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. Claims 1 and 11 are rejected under 35 U.S.C. 102(a)(1) as being anticipated by Kersten (“Online and On-Board Battery Impedance Estimation of Battery Cells, Modules or Packs in a Reconfigurable Battery System or Multilevel Inverter”, published in IECON 2020 The 46th Annual Conference of the IEEE Industrial Electronics Society, October 18-21, 2020, previously cited).1 2 Regarding claims 1 and 11, Kersten teaches a reconfigurable battery system and method, comprising: one or more battery clusters each having one or more switching devices and one or more battery cells (Section II: battery packs); and an integrated controller (Section V-B: controller) configured to: transmit, from the integrated controller to the one or more switching devices associated with the one or more battery cells, one or more signals (Section IV-B: the voltage signals)3 to generate a time-varying output current having a waveform (Section IV-A); measure a time-varying voltage in response to the time-varying output current being applied to a load (Section IV-A); and calculate an impedance based on the time-varying output current and the time-varying voltage at the frequency (Section V-A). Allowable Subject Matter Claims 2-10 and 12-20 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. Response to Arguments Applicant's arguments filed 8/27/28 have been fully considered but they are not persuasive. Applicant argues that the cited art fails to disclose all limitations of the claims. Applicant’s Remarks, pages 5-7. In particular, Applicant argues that Kersten fails to disclose “transmit, from the integrated controller to the one or more switching devices associated with the one or more battery cells, one or more signals to generate a time-varying output current having a waveform” as recited in claim 1. Id. at 5-6. However, Section IV-B of Kersten discloses a voltage signal which serves as the signal from the controller as recited in the claims. As a result, Kersten teaches this limitation and anticipates the claims. Conclusion THIS ACTION IS MADE FINAL. 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 nonprovisional extension fee (37 CFR 1.17(a)) 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 mailing date of this final action. Any inquiry concerning this communication or earlier communications from the examiner should be directed to MATTHEW MIKELS whose telephone number is (571)270-5470. The examiner can normally be reached Monday to Thursday 7:30 AM ET - 5:00 PM ET, Friday 7:30 AM ET - 9:30 AM ET, the Examiner is on central time.4 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, Thomas K Pham can be reached at 571-272-3689. 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. /MATTHEW MIKELS/Primary Examiner, Art Unit 2876 1 See Non-patent literature dated 5/28/26. 2 In addition to the cited portions, please see also the associated figures. 3 See also additional discussion below. 4 The Examiner can also be reached at matthew.mikels@uspto.gov.
Read full office action

Prosecution Timeline

Sep 07, 2023
Application Filed
May 28, 2026
Non-Final Rejection mailed — §102
Aug 27, 2026
Response Filed
Sep 11, 2026
Final Rejection mailed — §102 (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

3-4
Expected OA Rounds
81%
Grant Probability
99%
With Interview (+20.2%)
2y 2m (~0m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 1320 resolved cases by this examiner. Grant probability derived from career allowance rate.

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