Prosecution Insights
Last updated: April 19, 2026
Application No. 18/605,421

METHOD AND DEVICE FOR CONTROLLING THE LEVEL OF CHARGE OF A TRACTION BATTERY OF AN ELECTRIC VEHICLE

Non-Final OA §102
Filed
Mar 14, 2024
Examiner
TAT, BINH C
Art Unit
2851
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
Renault S A S
OA Round
1 (Non-Final)
87%
Grant Probability
Favorable
1-2
OA Rounds
2y 9m
To Grant
99%
With Interview

Examiner Intelligence

Grants 87% — above average
87%
Career Allow Rate
1052 granted / 1205 resolved
+19.3% vs TC avg
Moderate +14% lift
Without
With
+14.2%
Interview Lift
resolved cases with interview
Typical timeline
2y 9m
Avg Prosecution
27 currently pending
Career history
1232
Total Applications
across all art units

Statute-Specific Performance

§101
21.9%
-18.1% vs TC avg
§103
1.3%
-38.7% vs TC avg
§102
63.8%
+23.8% vs TC avg
§112
0.6%
-39.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1205 resolved cases

Office Action

§102
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 . 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. DETAILED ACTION This office action is in response application 18/605421 filed on 03/14/24. 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 1-10 rejected under 35 U.S.C. 102(a)(1) as being anticipated by Keller et al. (US Pub. 2016/0089994). As to claim 1 the prior art teaches a method for regulating a level of charge of a traction battery of an electric vehicle connected to an electricity distribution network via a charger during a downtime phase of the vehicle, comprising: forcibly discharging the battery a first time, performed into a discharge circuit associated with the battery (see fig 3 paragraph 0013-0015), with a discharge current that is calibrated in terms of intensity with respect to the nominal capacity of the battery, so as to slowly and completely discharge the battery to a minimum voltage (see fig 1, fig 3 paragraph 0073-0074 and 0077-0080), and normally charging the battery (see paragraph 0022), with a setpoint charging current prescribed by the charger or the battery, so as to charge the battery to a useful level of charge of the battery (see fig 1-4 paragraph 0022-0024 “ show battery management system control the charging of the battery” and 0065-0067). As to claim 2 the prior art teaches wherein said normally charging the battery is preceded by at least one intermediate sequence of charging and discharging the battery, successively comprising: restrained charging of the battery a second time, with a restrained charging current, smaller than the setpoint charging current, so as to slowly charge the battery to its maximum voltage, and forcibly discharging the battery, performed into the discharge circuit associated with the battery, with said calibrated discharge current, so as to slowly and completely discharge the battery to its minimum voltage again (see fig 1-2 paragraph 0069-0075). As to claim 3 the prior art teaches wherein the forcibly discharging the battery the first and second times are performed into a discharge resistor, said discharge resistor being connected to the terminals of the battery during said forcibly discharging the battery the first and second times and disconnected from the terminals of the battery during said normal charging and said restrained charging, said discharge resistor setting said calibrated discharge current (see fig 1-4 paragraph 0073-0078). As to claim 4 the prior art teaches wherein said calibrated discharge current is at most equal to one tenth of the value of the nominal capacity of the battery (see fig 1, fig 4-5 paragraph 0077-0080). As to claim 5 the prior art teaches wherein said restrained charging current is at most equal to one tenth of the value of the nominal capacity of the battery (see fig 1-2 paragraph 0071-0076). As to claim 6 the prior art teaches wherein said setpoint charging current is suitable for fast-charging the battery (see fig 2-4 paragraph 0063-0068). As to claim 7 and 10 the prior art teaches A device for regulating a level of charge of a traction battery of an electric vehicle connected to an electricity distribution network via a charger during a downtime phase of the vehicle, comprising: a discharge circuit configured to discharge the battery and to be electrically connected to said battery (see fig 1-2 paragraph 0014-0015 and 0062-0065); and a control module configured to selectively connect said discharge circuit to said battery in order to discharge said battery and implement the method as claimed in claim 1 (see fig 1-4 paragraph 0078-0084). As to claim 8, the prior art teaches wherein the discharge circuit comprises a discharge resistor, each terminal of which is connected to the respective terminals of the battery via a switch comprising a movable contact driven by said control module between two positions, to connect and disconnect the terminals of the resistor to and from the terminals of the battery (see fig 1-4 paragraph 0084-0088). As to claim 9 the prior art teaches wherein the discharge resistor is integrated into a housing of said battery (see fig 1-4 paragraph 081-0085). Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to BINH C TAT whose telephone number is 571 272-1908. The examiner can normally be reached on flex 7:00Am-8PM. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Jack Chiang can be reached on 571 272-7483. The fax phone number for the organization where this application or proceeding is assigned is 703-872-9306. 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). /BINH C TAT/Primary Examiner, Art Unit 2851
Read full office action

Prosecution Timeline

Mar 14, 2024
Application Filed
Mar 07, 2026
Non-Final Rejection — §102 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12602530
Apparatus, Device, Method and Computer Program for Generating a Circuit Design of Polynomial Interpolation Hardware
2y 5m to grant Granted Apr 14, 2026
Patent 12603531
Systems And Methods For Wireless Power And Data Transfer Utilizing Multiple Antenna Receivers
2y 5m to grant Granted Apr 14, 2026
Patent 12596863
NANOFABRICATION AND DESIGN TECHNIQUES FOR 3D ICS AND CONFIGURABLE ASICS
2y 5m to grant Granted Apr 07, 2026
Patent 12591730
TEST PATTERN GENERATION SYSTEMS AND METHODS
2y 5m to grant Granted Mar 31, 2026
Patent 12585857
Method for Automated Standard Cell Design
2y 5m to grant Granted Mar 24, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

AI Strategy Recommendation

Get an AI-powered prosecution strategy using examiner precedents, rejection analysis, and claim mapping.
Powered by AI — typically takes 5-10 seconds

Prosecution Projections

1-2
Expected OA Rounds
87%
Grant Probability
99%
With Interview (+14.2%)
2y 9m
Median Time to Grant
Low
PTA Risk
Based on 1205 resolved cases by this examiner. Grant probability derived from career allow rate.

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month