Prosecution Insights
Last updated: October 02, 2026
Application No. 19/336,793

CONTROL CIRCUIT, CONTROL SYSTEM, AND TRANSPORTATION DEVICE

Non-Final OA §102§103§112
Filed
Sep 23, 2025
Priority
Dec 19, 2023 — CN 202323497238.3 +1 more
Examiner
BRAUCH, CHARLES JOSEPH
Art Unit
3747
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
Contemporary Amperex Technology Co., Limited
OA Round
1 (Non-Final)
82%
Grant Probability
Favorable
1-2
OA Rounds
1y 0m
Est. Remaining
95%
With Interview

Examiner Intelligence

Grants 82% — above average
82%
Career Allowance Rate
995 granted / 1218 resolved
+11.7% vs TC avg
Moderate +14% lift
Without
With
+13.5%
Interview Lift
resolved cases with interview
Fast prosecutor
2y 0m
Avg Prosecution
19 currently pending
Career history
1241
Total Applications
across all art units

Statute-Specific Performance

§101
0.4%
-39.6% vs TC avg
§103
61.9%
+21.9% vs TC avg
§102
28.5%
-11.5% vs TC avg
§112
8.1%
-31.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1218 resolved cases

Office Action

§102 §103 §112
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 . 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 12 rejected under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), second paragraph, as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor (or for applications subject to pre-AIA 35 U.S.C. 112, the applicant), regards as the invention. Claim 12 recites the limitation "the battery management module" in line 2. 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, 3-9, 11-13, 15, and 19-20 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by the Liu reference (CN 116365635 A). 7. Regarding claim 1, the Liu reference discloses: a control circuit (FIG. 1), configured to control connection or disconnection of a target loop after being connected to the target loop (intended use), comprising: a current detection unit (110), wherein the current detection unit (110) is configured to: when being connected to a battery [Contents of the invention—power battery pack], output a first type signal when detecting that the battery has an overcurrent or a short circuit (120); and a driver circuit (140), wherein an input terminal of the driver circuit (140) is connected to a signal output terminal of the current detection unit (110) (FIG. 1), an output terminal of the driver circuit (140) is configured to connect to a safety module (130) in the target loop (FIG. 1), and the driver circuit (140) is configured to output, in response to receiving the first type signal transmitted from the current detection unit (110), a drive signal to drive the safety module (130) to be disconnected , wherein the target loop is a loop in the battery or a loop in a device in which the battery is located [Detailed Ways Paragraph 0004]. 8. Regarding claim 3, the Liu reference further discloses: a supplementary driver circuit (131), wherein an input terminal of the supplementary driver circuit is connected to the signal output terminal of the current detection unit (operatively), an output terminal of the supplementary driver circuit is configured to connect to a switch component [Paragraph 0017—switching tube elements] in the target loop (operatively), and the supplementary driver circuit is configured to drive, in response to receiving the first type signal, the switch component to be disconnected (implicit). 9. Regarding claim 4, the Liu reference further discloses: wherein: the switch component [Paragraph 0017—switching tube elements] and the safety module (130) are disposed on the same target loop (one is part of the other so it must), wherein the target loop comprises a power supply loop of the battery (FIG. 2) or a high-voltage loop of the device in which the battery is located; or the switch component and the safety module are respectively disposed on different target loops, wherein the safety module is disposed on a first target loop, the switch component is disposed on a second target loop, the first target loop comprises the power supply loop of the battery, and the second target loop comprises the high-voltage loop of the device in which the battery is located; or the first target loop comprises the high-voltage loop of the device in which the battery is located, and the second target loop comprises the power supply loop of the battery. 10. Regarding claim 5, the Liu reference further discloses: wherein the switch component comprises a relay (130) (one and the same), two path terminals of the relay are separately connected to the target loop to cooperate with other components on the target loop to form the complete target loop [Paragraph 0015], a control terminal of the relay [Paragraph 0015—control module (140)] is connected to the output terminal of the supplementary driver circuit [Paragraph 0015], the control circuit (FIG. 1) further comprises a delay circuit (121), and the delay circuit is disposed between the current detection unit (110) and the supplementary driver circuit (131), wherein by means of the delay circuit (121), a time at which the first type signal generated by the current detection unit (110) arrives at the driver circuit (140) is earlier than a time at which the first type signal arrives at the supplementary driver circuit (FIG. 2—direct connection versus having to go through (140). 11. Regarding claim 6, the Liu reference further discloses: wherein another input terminal of the current detection unit (110) is configured to connect to a battery management module (111), and the current detection unit (110) is configured to send a fourth type signal (to 140) when receiving a third type signal sent by the battery management module (111) (indicating current), wherein the driver circuit (140) is further configured to output, in response to receiving the fourth type signal, a drive signal to drive the safety module (130) to be disconnected (FIG. 2). 12. Regarding claim 7, the Liu reference further discloses: a logic component (FIG. 8), an input terminal of the logic component is connected to the signal output terminal of the current detection unit (110) (via 140), an output terminal of the logic component (810) is connected to the driver circuit (140—integrated in), and the logic component is turned on when a signal output by the current detection unit (110) is the first type signal (110). 13. Regarding claim 8, the Liu reference further discloses: an energy storage component (battery), wherein one terminal of the energy storage component charges the energy storage component when being connected to a power input apparatus (implicit), and the other terminal of the energy storage component is connected to the driver circuit (140) and supplies power to the driver circuit (FIG. 1). 14. Regarding claim 9, the Liu reference further discloses: wherein an input terminal of the current detection unit (110) is connected to a shunt (111) in the battery, so that the current detection unit detects a current flowing through the shunt to determine whether the battery has an overcurrent or a short circuit [Paragraph 0008]. 15. Regarding claim 11, the Liu reference further discloses: wherein the output terminal of the driver circuit (140) is further configured to connect to a relay (130) in the target loop (FIG. 2). 16. Regarding claim 12, the Lui reference further discloses: wherein the input terminal of the driver circuit (140) is configured to connect to the battery management module (111) (FIG. 2), the battery management module (111) is configured to input a fifth type signal to the driver circuit (140), and the driver circuit (140) outputs, when receiving the fifth type signal, a drive signal to drive the safety module (130) to be disconnected. 17. Regarding claim 13, the Liu reference further discloses: wherein the driver circuit (140) comprises a direct driver circuit, an isolation driver circuit, or a dedicated integrated driver chip (150). 18. Regarding claim 15, the Liu reference further discloses: a control system, comprising: a battery [Detailed Ways—Paragraph 0003]; and the control circuit according to claim 1 (anticipated), wherein: the control circuit (100) is configured to control connection or disconnection of a target loop after being connected to the target loop, and the control circuit comprises a current detection unit (110) and a driver circuit (140); the current detection unit is configured to: when being connected to the battery, output the first type signal when detecting that the battery has an overcurrent or a short circuit [Detailed Ways—Paragraph 0008]; and an input terminal of the driver circuit (140) is connected to a signal output terminal of the current detection unit (110) (FIG. 2), an output terminal of the driver circuit (140) is configured to connect to a safety module (130) in the target loop (FIG. 2), and the driver circuit (140) is configured to output, in response to receiving the first type signal transmitted from the current detection unit (110), a drive signal to drive the safety module (130) to be disconnected, wherein the target loop is a loop in the battery or a loop in a device in which the battery is located (FIG. 2). 19. Regarding claim 19, the Lui reference further discloses: a battery management module (111), wherein one terminal of the battery management module (111) is connected to the battery [Detailed Ways—Paragraph 0008—where the power battery pack is located], and an output terminal of the battery management module (111) is connected to the current detection unit or the driver circuit (140) (FIG. 2). 20. Regarding claim 20, the Lui reference further discloses: a transportation device [Background—Paragraph 0001—electric vehicles], comprising the control circuit according to claim 1 (anticipated). Claim Rejections - 35 USC § 103 21. 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. 22. Claim(s) 2 and 16-17 is/are rejected under 35 U.S.C. 103 as being unpatentable over Liu reference in view of the Yan reference (CN 206465794 U). 23. Regarding claim 2, the Liu reference further discloses: wherein: another input terminal of the driver circuit (140), wherein the driver circuit (140) is further configured to output, the drive signal to drive the safety module (130) to be disconnected. The Liu reference discloses the invention as essentially claimed. However, the Liu reference fails to disclose is connected to a signal output terminal of an airbag system in response to receiving a second type signal transmitted from the airbag system. The Yan reference teaches it is conventional in the art of electric vehicles to provide as taught in the [Abstract] connected to a signal output terminal of an airbag system in response to receiving a second type signal transmitted from the airbag system [Abstract]. Such configurations/structures would allow a safety function guarantee [Abstract]. Thus, it would have been obvious to one of ordinary skill in the art by the effective filing date of the claimed invention to provide the device of the Liu reference, such that the reference fails to disclose connected to a signal output terminal of an airbag system in response to receiving a second type signal transmitted from the airbag system, as clearly suggested and taught by the Yan reference, in order to allow a safety function guarantee [Abstract]. 24. Regarding claim 16, the Lui reference further discloses: wherein: another input terminal of the driver circuit (140), wherein the driver circuit (140) is further configured to output, the drive signal to drive the safety module (130) to be disconnected and the driver circuit is further configured to output, the drive signal to drive the safety module (130) to be disconnected. The Liu reference discloses the invention as essentially claimed. However, the Liu reference fails to disclose is connected to a signal output terminal of an airbag system in response to receiving a second type signal transmitted from the airbag system in response to receiving the second type signal transmitted from the airbag system. The Yan reference teaches it is conventional in the art of electric vehicles to provide as taught in the [Abstract] connected to a signal output terminal of an airbag system in response to receiving a second type signal transmitted from the airbag system in response to receiving the second type signal transmitted from the airbag system [Abstract]. Such configurations/structures would allow a safety function guarantee [Abstract]. Thus, it would have been obvious to one of ordinary skill in the art by the effective filing date of the claimed invention to provide the device of the Lui reference, such that the device fails to disclose connected to a signal output terminal of an airbag system in response to receiving a second type signal transmitted from the airbag system in response to receiving the second type signal transmitted from the airbag system, as clearly suggested and taught by the Yan reference, in order to allow a safety function guarantee [Abstract]. 25. Regarding claim 17, the Lui reference fails to disclose: wherein the airbag system comprises an airbag control unit and an energy storage unit, the energy storage unit is configured to provide power for the airbag control unit, and the airbag control unit is configured to output the second type signal when detecting that a device in which the airbag control unit is located undergoes a collision. The Yan reference teaches it is conventional in the art of electric vehicles to provide as taught in the [Abstract] wherein the airbag system comprises an airbag control unit and an energy storage unit, the energy storage unit is configured to provide power for the airbag control unit, and the airbag control unit is configured to output the second type signal when detecting that a device in which the airbag control unit is located undergoes a collision [Abstract]. Such configurations/structures would allow a safety function guarantee [Abstract]. Thus, it would have been obvious to one of ordinary skill in the art by the effective filing date of the claimed invention to provide the device of the Liu reference, such that the device fails to disclose wherein the airbag system comprises an airbag control unit and an energy storage unit, the energy storage unit is configured to provide power for the airbag control unit, and the airbag control unit is configured to output the second type signal when detecting that a device in which the airbag control unit is located undergoes a collision, as clearly suggested and taught by the Yan reference, in order to allow a safety function guarantee [Abstract]. Allowable Subject Matter Claims 10, 14 and 18 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. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to CHARLES J BRAUCH whose telephone number is (313)446-6511. The examiner can normally be reached Monday-Friday 9:00 AM to 6 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, Lindsay Low can be reached at (571) 272-1196. 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. /CHARLES JOSEPH BRAUCH/ Examiner Art Unit 3747 /LONG T TRAN/Primary Examiner, Art Unit 3747
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Prosecution Timeline

Sep 23, 2025
Application Filed
Aug 11, 2026
Non-Final Rejection mailed — §102, §103, §112 (current)

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Prosecution Projections

1-2
Expected OA Rounds
82%
Grant Probability
95%
With Interview (+13.5%)
2y 0m (~1y 0m remaining)
Median Time to Grant
Low
PTA Risk
Based on 1218 resolved cases by this examiner. Grant probability derived from career allowance rate.

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