Prosecution Insights
Last updated: April 19, 2026
Application No. 18/533,482

CHARGING PORT DEVICE, OPENING AND CLOSING METHOD, AND VEHICLE

Non-Final OA §102§103§112
Filed
Dec 08, 2023
Examiner
NGUYEN, TRUC T
Art Unit
2834
Tech Center
2800 — Semiconductors & Electrical Systems
Assignee
BYD Company Limited
OA Round
1 (Non-Final)
87%
Grant Probability
Favorable
1-2
OA Rounds
2y 0m
To Grant
94%
With Interview

Examiner Intelligence

Grants 87% — above average
87%
Career Allow Rate
1112 granted / 1274 resolved
+19.3% vs TC avg
Moderate +7% lift
Without
With
+7.2%
Interview Lift
resolved cases with interview
Fast prosecutor
2y 0m
Avg Prosecution
40 currently pending
Career history
1314
Total Applications
across all art units

Statute-Specific Performance

§101
0.3%
-39.7% vs TC avg
§103
33.7%
-6.3% vs TC avg
§102
39.8%
-0.2% vs TC avg
§112
21.7%
-18.3% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1274 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 . Drawings The drawings are objected to under 37 CFR 1.83(a). The drawings must show every feature of the invention specified in the claims. Therefore, the “an output terminal of the fast charging port cover being connected with the fast charging port cover” and “an output terminal of the slow charging port cover being connected with the slow charging port cover” must be shown or the feature(s) canceled from the claim(s) 1-12 and 16. No new matter should be entered. Corrected drawing sheets in compliance with 37 CFR 1.121(d) are required in reply to the Office action to avoid abandonment of the application. Any amended replacement drawing sheet should include all of the figures appearing on the immediate prior version of the sheet, even if only one figure is being amended. The figure or figure number of an amended drawing should not be labeled as “amended.” If a drawing figure is to be canceled, the appropriate figure must be removed from the replacement sheet, and where necessary, the remaining figures must be renumbered and appropriate changes made to the brief description of the several views of the drawings for consistency. Additional replacement sheets may be necessary to show the renumbering of the remaining figures. Each drawing sheet submitted after the filing date of an application must be labeled in the top margin as either “Replacement Sheet” or “New Sheet” pursuant to 37 CFR 1.121(d). If the changes are not accepted by the examiner, the applicant will be notified and informed of any required corrective action in the next Office action. The objection to the drawings will not be held in abeyance. 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. Claims 1-12 and 16 are 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 1, the limitations “an output terminal of the fast charging port cover being connected with the fast charging port cover” and “an output terminal of the slow charging port cover being connected with the slow charging port cover” are unclear. The port cover being connected with the meshing teeth. There was not any output terminal being connected with the port cover. 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)(2) the claimed invention was described in a patent issued under section 151, or in an application for patent published or deemed published under section 122(b), in which the patent or application, as the case may be, names another inventor and was effectively filed before the effective filing date of the claimed invention. Claims 1, 8, 13-16 are rejected under 35 U.S.C. 102(a2) as being anticipated by Liu et al. (US 2023/0234460). Regarding claims 1 and 16, Liu et al. disclose a vehicle comprising a charging port device (see Fig. 2), comprising: a fast charging driver (101), a slow charging driver (101), a slow charging port cover (at 102), a fast charging port cover (at 104), and a mounting housing (the vehicle body), the mounting housing being provided with a mounting hole (not shown in the vehicle body); a fast charging port and a slow charging port being arranged in the mounting hole; an output terminal (see Fig. 4) of the fast charging driver being connected with the fast charging port cover, and the fast charging port cover being configured to cover the fast charging port; and an output terminal (see Fig. 4) of the slow charging driver being connected with the slow charging port cover, and the slow charging port cover being configured to cover the slow charging port. Regarding claim 8, Liu et al. disclose a charging port driver (101) and an outer cover, an output terminal of the charging port driver being connected with the outer cover, and the outer cover being configured to cover the mounting hole. [AltContent: textbox (Outer cover)][AltContent: arrow] PNG media_image1.png 324 334 media_image1.png Greyscale Regarding claims 13-15, the method claims are deemed inherence. Liu et al. disclose n opening and closing method for a charging port device having a fast charging driver, a slow charging driver, a slow charging port cover, a fast charging port cover, and a mounting housing, comprising: receiving a cover opening instruction, driving the fast charging port cover to expose the fast charging port through the fast charging driver, and driving the slow charging port cover to expose the slow charging port through the slow charging driver; driving the slow charging port cover to cover the slow charging port through the slow charging driver when the fast charging port is in a fast charging state; and driving the fast charging port cover to cover the fast charging port through the fast charging driver when the slow charging port is in a slow charging state; before the driving the fast charging port cover to expose the fast charging port through the fast charging driver, further comprises: driving the outer cover to expose the mounting hole through the charging port driver; receiving a cover closing instruction, driving the fast charging port cover to cover the fast charging port through the fast charging driver, driving the slow charging port cover to cover the slow charging port through the slow charging driver, and driving the outer cover to cover the mounting hole through the charging port driver. Claim Rejections - 35 USC § 103 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 2-7, 9 are rejected under 35 U.S.C. 103 as being unpatentable over Liu et al. (US 2023/0234460) in view of Shin et al. (US 2021/0246701). Regarding claim 2, Liu et al. substantially disclosed the claimed invention except the fast charging driver comprises a fast charging motor, a fast charging gear, and a fast charging rotating shaft; the fast charging rotating shaft is rotatably mounted to the mounting housing; the fast charging port cover is provided with fast charging meshing teeth; the fast charging meshing teeth are adapted to the fast charging gear; an output terminal of the fast charging motor is connected with the fast charging rotating shaft; the fast charging gear is mounted to the fast charging rotating shaft; and the fast charging gear is meshed with the fast charging meshing teeth. Shin et al. teach a charging driver includes a charging motor (250), a charging gear (240), a meshing teeth (230), and a rotating shaft (232) to move a port cover (300). It would have been obvious to one having ordinary skill in the art before the effective filing date of the claimed invention was made to provide the motor, gear, teeth, and shaft into Liu’s charging driver, as taught by Shin et al. for smoothly closing and opening the port cover. Regarding claim 3, in the modified charging port device, Liu et al. in view of Shin et al. disclose the slow charging driver comprises a slow charging motor, a slow charging gear, and a slow charging rotating shaft; the slow charging rotating shaft is rotatably mounted to the mounting housing; the slow charging port cover is provided with slow charging meshing teeth; the slow charging meshing teeth are adapted to the slow charging gear; an output terminal of the slow charging motor is connected with the slow charging rotating shaft; the slow charging gear is mounted to the slow charging rotating shaft; and the slow charging gear is meshed with the slow charging meshing teeth. Regarding claim 4, in the modified charging port device, Liu et al. in view of Shin et al. disclose the fast charging driver comprises a fast charging motor, a fast charging gear, and a fast charging rotating shaft; the fast charging rotating shaft is rotatably mounted to the mounting housing; the fast charging port cover is provided with fast charging meshing teeth; the fast charging meshing teeth are adapted to the fast charging gear; an output terminal of the fast charging motor is connected with the fast charging rotating shaft; the fast charging gear is mounted to the fast charging rotating shaft; and the fast charging gear is meshed with the fast charging meshing teeth; and the slow charging driver comprises a slow charging motor, a slow charging gear, and a slow charging rotating shaft; the slow charging rotating shaft is rotatably mounted to the mounting housing; the slow charging port cover is provided with slow charging meshing teeth; the slow charging meshing teeth are adapted to the slow charging gear; an output terminal of the slow charging motor is connected with the slow charging rotating shaft; the slow charging gear is mounted to the slow charging rotating shaft; and the slow charging gear is meshed with the slow charging meshing teeth. Regarding claim 5, in the modified charging port device, Shin et al. disclose a fast charging chute (200); the fast charging port cover is a fast charging sliding cover; the fast charging port cover is slidably mounted to the fast charging chute. Regarding claim 6, in the modified charging port device, Shin et al. disclose a slow charging chute (200); the slow charging port cover is a slow charging sliding cover; and the slow charging port cover is slidably mounted to the slow charging chute. Regarding claim 7, in the modified charging port device, Shin et al. disclose a fast charging chute; the fast charging port cover is a fast charging sliding cover; the fast charging port cover is slidably mounted to the fast charging chute; and the mounting housing is further provided with a slow charging chute; the slow charging port cover is a slow charging sliding cover; and the slow charging port cover is slidably mounted to the slow charging chute. Regarding claim 9, in the modified charging port device, Shin et al. disclose the charging port driver comprises a charging port motor and an adapter arm; one end of the adapter arm is connected with an output terminal of the charging port motor; and the other end of the adapter arm is connected with the outer cover. [AltContent: textbox (Adapter arm)][AltContent: arrow] PNG media_image2.png 410 469 media_image2.png Greyscale Claims 10-12 are rejected under 35 U.S.C. 103 as being unpatentable over Liu et al. (US 2023/0234460) in view of Zhao et al. (CN 213354624). Liu et al. substantially disclosed the claimed invention except the mounting housing comprises an upper housing and a lower housing; the upper housing is provided with a first engagement portion; the lower housing is provided with a second engagement portion; the upper housing is connected with the lower housing through the first engagement portion and the second engagement portion that are engaged with each other; and the upper housing and the lower housing jointly define the mounting hole; a decorative plate; the decorative plate is provided with a fast charging opening and a slow charging opening; the decorative plate is configured to cover an end of the fast charging port cover away from the fast charging port and an end of the slow charging port cover away from the slow charging port; the decorative plate is mounted to the mounting hole; the fast charging opening is in communication with the fast charging port; the slow charging opening is in communication with the slow charging port; the decorative plate is provided with an annular sealing skirt; and a vehicle sheet metal is hermetically connected with a side of the annular sealing skirt away from the decorative plate; an annular sealing member, one end of the annular sealing member being connected with the mounting housing, and the other end of the annular sealing member being connected with an inner wall of the vehicle sheet metal. Zhao et al. disclose an upper housing (a portion of member 4) and a lower housing (22) defining a mounting hole, a decorative plate (4), a sealing skirt (23), a vehicle sheet metal (3), a fast charging port (11), a slow charging port (12). It would have been obvious to one having ordinary skill in the art before the effective filing date of the claimed invention was made to provide the upper housing, lower housing, decorative plate, and sealing skirt into Liu’s charging port assembly, as taught by Zhao et al. for protecting the charging ports. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to TRUC T NGUYEN whose telephone number is (571)272-2011. The examiner can normally be reached monday-friday (7-4). 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, Christopher M. Koehler can be reached at 5712723560. 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. /TRUC T NGUYEN/ Primary Examiner, Art Unit 2834
Read full office action

Prosecution Timeline

Dec 08, 2023
Application Filed
Feb 07, 2026
Non-Final Rejection — §102, §103, §112 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12592523
ELECTRICAL CONNECTOR WITH IMPROVED GROUND SHIELDING EFFECT
2y 5m to grant Granted Mar 31, 2026
Patent 12586952
CONNECTING ASSEMBLY AND RELATED ELECTRONIC APPARATUS
2y 5m to grant Granted Mar 24, 2026
Patent 12580351
CABLE CAP WITH POWER INDICATOR
2y 5m to grant Granted Mar 17, 2026
Patent 12580342
CONNECTOR ASSEMBLY
2y 5m to grant Granted Mar 17, 2026
Patent 12580338
CONNECTOR AND MANUFACTURING METHOD THEREOF
2y 5m to grant Granted Mar 17, 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
94%
With Interview (+7.2%)
2y 0m
Median Time to Grant
Low
PTA Risk
Based on 1274 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