Prosecution Insights
Last updated: April 19, 2026
Application No. 17/784,147

HEAT EXCHANGER AND ASSEMBLY METHOD THEREFOR

Final Rejection §112
Filed
Jun 10, 2022
Examiner
ALVARE, PAUL
Art Unit
3763
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
Zhejiang Sanhua Automotive Components Co. Ltd.
OA Round
4 (Final)
57%
Grant Probability
Moderate
5-6
OA Rounds
3y 2m
To Grant
96%
With Interview

Examiner Intelligence

Grants 57% of resolved cases
57%
Career Allow Rate
339 granted / 592 resolved
-12.7% vs TC avg
Strong +39% interview lift
Without
With
+38.8%
Interview Lift
resolved cases with interview
Typical timeline
3y 2m
Avg Prosecution
51 currently pending
Career history
643
Total Applications
across all art units

Statute-Specific Performance

§101
0.5%
-39.5% vs TC avg
§103
48.2%
+8.2% vs TC avg
§102
18.0%
-22.0% vs TC avg
§112
32.1%
-7.9% vs TC avg
Black line = Tech Center average estimate • Based on career data from 592 resolved cases

Office Action

§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. Claim 16 is rejected under 35 U.S.C. 112(b) as being indefinite for failing to particularly point out and distinctly claim the subject matter which the inventor or a joint inventor, or for pre-AIA the applicant regards as the invention. Regarding Claim 16, “ where a claim directed to a device can be read to include the same element twice, the claim may be indefinite.” Ex parte Kristensen, 10 USPQ2d 1701 (Bd. Pat. App. & Inter. 1989). See MPEP 2173.05(o). In Claim 16, it is unclear as to whether “a collecting pipe” is the same collecting pipe put forth in Claim 1 or a new collecting pipe. Further clarification is required. Regarding Claim 16, “ where a claim directed to a device can be read to include the same element twice, the claim may be indefinite.” Ex parte Kristensen, 10 USPQ2d 1701 (Bd. Pat. App. & Inter. 1989). See MPEP 2173.05(o). In Claim 16, it is unclear as to whether “a protruding portion” is the same protruding portion put forth in Claim 1 or a new protruding portion. Further clarification is required. Regarding Claim 16, “ where a claim directed to a device can be read to include the same element twice, the claim may be indefinite.” Ex parte Kristensen, 10 USPQ2d 1701 (Bd. Pat. App. & Inter. 1989). See MPEP 2173.05(o). In Claim 16, it is unclear as to whether “a side where the core body is located” is the same side put forth in Claim 1 or a new side. Further clarification is required. Regarding Claim 16, “ where a claim directed to a device can be read to include the same element twice, the claim may be indefinite.” Ex parte Kristensen, 10 USPQ2d 1701 (Bd. Pat. App. & Inter. 1989). See MPEP 2173.05(o). In Claim 16, it is unclear as to whether “an opening of the collecting pipe” is the opening put forth in Claim 1 or a new opening. Further clarification is required. Conclusion Applicant's amendment necessitated the new ground(s) of rejection presented in this Office action. Accordingly, THIS ACTION IS MADE FINAL. See MPEP § 706.07(a). 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 PAUL ALVARE whose telephone number is (571)272-8611. The examiner can normally be reached Monday-Friday 0930-1800. 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, Len Tran can be reached at (571) 272-1184. 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. /PAUL ALVARE/ Primary Examiner, Art Unit 3763
Read full office action

Prosecution Timeline

Jun 10, 2022
Application Filed
Aug 24, 2024
Non-Final Rejection — §112
Nov 26, 2024
Response Filed
Dec 13, 2024
Final Rejection — §112
Jun 18, 2025
Request for Continued Examination
Jun 23, 2025
Response after Non-Final Action
Aug 23, 2025
Non-Final Rejection — §112
Nov 26, 2025
Response Filed
Jan 24, 2026
Final Rejection — §112 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12595974
THERMAL DEVICE
2y 5m to grant Granted Apr 07, 2026
Patent 12590764
HEAT EXCHANGER
2y 5m to grant Granted Mar 31, 2026
Patent 12592432
BATTERY UNIT COMPRISING COOLING MEANS
2y 5m to grant Granted Mar 31, 2026
Patent 12584697
DEVICE FOR CONTROLLING THE TEMPERATURE OF A COMPONENT AND METHOD FOR MANUFACTURING THE DEVICE
2y 5m to grant Granted Mar 24, 2026
Patent 12584698
ONE-PIECE FORMED METAL HEAT DISSIPATION PLATE AND HEAT DISSIPATION DEVICE HAVING SAME
2y 5m to grant Granted Mar 24, 2026
Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

5-6
Expected OA Rounds
57%
Grant Probability
96%
With Interview (+38.8%)
3y 2m
Median Time to Grant
High
PTA Risk
Based on 592 resolved cases by this examiner. Grant probability derived from career allow rate.

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