Prosecution Insights
Last updated: October 22, 2026
Application No. 18/645,706

CHARGING SYSTEM

Non-Final OA §102§103
Filed
Apr 25, 2024
Priority
Apr 27, 2023 — JP 2023-073524
Examiner
HENZE, DAVID V
Art Unit
2859
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
ISUZU MOTORS Limited
OA Round
1 (Non-Final)
70%
Grant Probability
Favorable
1-2
OA Rounds
3m
Est. Remaining
93%
With Interview

Examiner Intelligence

Grants 70% — above average
70%
Career Allowance Rate
511 granted / 733 resolved
+1.7% vs TC avg
Strong +23% interview lift
Without
With
+23.2%
Interview Lift
resolved cases with interview
Typical timeline
2y 9m
Avg Prosecution
47 currently pending
Career history
798
Total Applications
across all art units

Statute-Specific Performance

§101
2.3%
-37.7% vs TC avg
§103
52.8%
+12.8% vs TC avg
§102
19.1%
-20.9% vs TC avg
§112
20.6%
-19.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 733 resolved cases

Office Action

§102 §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 . Claim Interpretation The following is a quotation of 35 U.S.C. 112(f): (f) Element in Claim for a Combination. – An element in a claim for a combination may be expressed as a means or step for performing a specified function without the recital of structure, material, or acts in support thereof, and such claim shall be construed to cover the corresponding structure, material, or acts described in the specification and equivalents thereof. The following is a quotation of pre-AIA 35 U.S.C. 112, sixth paragraph: An element in a claim for a combination may be expressed as a means or step for performing a specified function without the recital of structure, material, or acts in support thereof, and such claim shall be construed to cover the corresponding structure, material, or acts described in the specification and equivalents thereof. The claims in this application are given their broadest reasonable interpretation using the plain meaning of the claim language in light of the specification as it would be understood by one of ordinary skill in the art. The broadest reasonable interpretation of a claim element (also commonly referred to as a claim limitation) is limited by the description in the specification when 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, is invoked. As explained in MPEP § 2181, subsection I, claim limitations that meet the following three-prong test will be interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph: (A) the claim limitation uses the term “means” or “step” or a term used as a substitute for “means” that is a generic placeholder (also called a nonce term or a non-structural term having no specific structural meaning) for performing the claimed function; (B) the term “means” or “step” or the generic placeholder is modified by functional language, typically, but not always linked by the transition word “for” (e.g., “means for”) or another linking word or phrase, such as “configured to” or “so that”; and (C) the term “means” or “step” or the generic placeholder is not modified by sufficient structure, material, or acts for performing the claimed function. Use of the word “means” (or “step”) in a claim with functional language creates a rebuttable presumption that the claim limitation is to be treated in accordance with 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph. The presumption that the claim limitation is interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, is rebutted when the claim limitation recites sufficient structure, material, or acts to entirely perform the recited function. Absence of the word “means” (or “step”) in a claim creates a rebuttable presumption that the claim limitation is not to be treated in accordance with 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph. The presumption that the claim limitation is not interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, is rebutted when the claim limitation recites function without reciting sufficient structure, material or acts to entirely perform the recited function. Claim limitations in this application that use the word “means” (or “step”) are being interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, except as otherwise indicated in an Office action. Conversely, claim limitations in this application that do not use the word “means” (or “step”) are not being interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, except as otherwise indicated in an Office action. This application includes one or more claim limitations that do not use the word “means,” but are nonetheless being interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, because the claim limitation(s) uses a generic placeholder that is coupled with functional language without reciting sufficient structure to perform the recited function and the generic placeholder is not preceded by a structural modifier. Such claim limitation(s) is/are indicated in the table below, along with corresponding structure and/or lack thereof: Claim limitation Claim Numbers Structure (PGPUB citation) “constant current charging control section” 1 A processor executing a program [0037] “constant voltage charging control section” 1, 2 A processor executing a program [0037] “obtaining section” 2 A processor executing a program [0037] & [0048] Because this/these claim limitation(s) is/are being interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, it/they is/are being interpreted to cover the corresponding structure described in the specification as performing the claimed function, and equivalents thereof. If applicant does not intend to have this/these limitation(s) interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph, applicant may: (1) amend the claim limitation(s) to avoid it/them being interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph (e.g., by reciting sufficient structure to perform the claimed function); or (2) present a sufficient showing that the claim limitation(s) recite(s) sufficient structure to perform the claimed function so as to avoid it/them being interpreted under 35 U.S.C. 112(f) or pre-AIA 35 U.S.C. 112, sixth paragraph. 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 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 Ungar et al. US PGPUB 2009/0273320. Regarding claim 1, Ungar discloses a charging system for supplying power to a battery for driving an electric vehicle from a rapid charger installed outside the electric vehicle [pars. 5 & 39; Examiner notes that since the “electric vehicle” and “rapid charger” are not mentioned in the body of the claim the portion of the preamble after “for driving” is being treated as non-limiting], the charging system comprising: a constant current charging control section [pars. 35 & 61-65; figs. 5-7] that executes constant current charging control that supplies power from the rapid charger to the battery, based on a constant charging current value [fig. 8; various constant current stages; pars. 61-65]; and a constant voltage charging control section that, in a case where a voltage value of the battery reaches a predetermined target voltage value and the constant current charging control is stopped, executes constant voltage charging control that supplies the power from the rapid charger to the battery two or more times, based on a constant charging voltage value [fig. 8; after a constant current phase I1 and the battery voltage reaches V1, CC ends and CV begins; various CV stages occur after the first CV stage V1; pars. 61-65]. Claim Rejections - 35 USC § 103 This application currently names joint inventors. In considering patentability of the claims the examiner presumes that the subject matter of the various claims was commonly owned as of the effective filing date of the claimed invention(s) absent any evidence to the contrary. Applicant is advised of the obligation under 37 CFR 1.56 to point out the inventor and effective filing dates of each claim that was not commonly owned as of the effective filing date of the later invention in order for the examiner to consider the applicability of 35 U.S.C. 102(b)(2)(C) for any potential 35 U.S.C. 102(a)(2) prior art against the later invention. 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. Claims 2-3 are rejected under 35 U.S.C. 103 as being unpatentable over Ungar et al. US PGPUB 2009/0273320. Regarding claim 2, Ungar discloses an obtaining section that obtains a first voltage value that is a voltage value of the battery upon stopping when the constant current charging control is stopped [par. 51 & 62; cell voltage V_cell is monitored and used to control the switching of stages], and a determination section that determines whether a difference between the obtained first voltage value and the obtained second voltage value is within a predetermined range, wherein the constant voltage charging control section executes the constant voltage charging control based on a predetermined charging current value in a case where the difference is determined to be within the predetermined range [fig. 8; after the stopping of the first CC stage (“since the stopping”) another voltage value is measured (V2), and if the difference is within a range of the value (the voltage is V2) then another constant voltage stage occurs; pa. 62]. Unger does not explicitly disclose the second voltage value is a voltage value of the battery after a predetermined period of time has elapsed since the stopping. However, Ungar teaches the voltage is monitored [pars. 77 & 82], and Examiner takes Official Notice that it is well known in the battery charging arts to sample parameters at periodic intervals. Therefore, it would have been obvious to one of ordinary skill before the effective filing date of the claimed invention to modify Kanno to further include the second voltage value is a voltage value of the battery after a predetermined period of time has elapsed since the stopping for the purpose of sampling the value at a regular interview to have an updated understand of its current state, and since it has been held to be within the general skill of a worker in the art to apply a known technique to a known device (method, or product) which was ready for improvement in order to yield results predictable by one of ordinary skill the art. KSR International Co. v Teleflex Inc., 550 U.S. 398, 127 S. Ct. 1727, 82 USPQ2d 1385, 1395-97 (2007). Regarding claim 3, Ungar discloses wherein the charging current value in the constant voltage charging control executed two or more times is a numerical value obtained by subtracting a predetermined current value from the charging current value in previous constant voltage charging control executed before present constant voltage charging control is executed [fig. 8; the current for each of the CV stages is stepped down according to a formula (predetermined); pars. 55-62]. Conclusion The prior art made of record and not relied upon is considered pertinent to applicant's disclosure: Ito et al. JP 2009033795 A discloses a CC-CV charging system with multiple CV stages (a pre-charge stage). Any inquiry concerning this communication or earlier communications from the examiner should be directed to DAVID V HENZE whose telephone number is (571)272-3317. The examiner can normally be reached M to F, 9am to 7pm. 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, Julian Huffman can be reached at 571-272-2147. 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. /DAVID V HENZE/Primary Examiner, Art Unit 2859
Read full office action

Prosecution Timeline

Apr 25, 2024
Application Filed
Oct 01, 2026
Non-Final Rejection mailed — §102, §103 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12763384
GRIPPER ASSEMBLY FOR CHARGING/DISCHARGING SECONDARY BATTERY, AND CHARGING/DISCHARGING DEVICE COMPRISING SAME
3y 2m to grant Granted Oct 13, 2026
Patent 12756357
SOLAR POWER GENERATION SYSTEM
3y 3m to grant Granted Oct 06, 2026
Patent 12734926
TRANSPORT ENERGY TRANSFER USING REAL-TIME COST INFORMATION
2y 5m to grant Granted Sep 15, 2026
Patent 12728739
AN APPARATUS FOR THE ELECTRICAL CHARGING OF AN ELECTRICAL BATTERY UNIT OF A VEHICLE
3y 9m to grant Granted Sep 08, 2026
Patent 12722519
ELECTRIC POWER CONTROL SYSTEM AND ELECTRIC POWER CONTROL METHOD
3y 10m to grant Granted Sep 01, 2026
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
70%
Grant Probability
93%
With Interview (+23.2%)
2y 9m (~3m remaining)
Median Time to Grant
Low
PTA Risk
Based on 733 resolved cases by this examiner. Grant probability derived from career allowance rate.

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