Prosecution Insights
Last updated: August 06, 2026
Application No. 18/391,628

ELECTRO-FILTRATION DEVICES, COOLING SYSTEMS, AND METHOD FOR COOLING ELECTRONIC COMPONENTS

Non-Final OA §102
Filed
Dec 20, 2023
Priority
May 05, 2023 — provisional 63/500,313
Examiner
ATTEY, JOEL M
Art Unit
3763
Tech Center
3700 — Mechanical Engineering & Manufacturing
Assignee
Wiwynn Corporation
OA Round
1 (Non-Final)
64%
Grant Probability
Moderate
1-2
OA Rounds
5m
Est. Remaining
99%
With Interview

Examiner Intelligence

Grants 64% of resolved cases
64%
Career Allowance Rate
308 granted / 478 resolved
-5.6% vs TC avg
Strong +43% interview lift
Without
With
+43.4%
Interview Lift
resolved cases with interview
Typical timeline
3y 1m
Avg Prosecution
31 currently pending
Career history
515
Total Applications
across all art units

Statute-Specific Performance

§101
0.2%
-39.8% vs TC avg
§103
49.0%
+9.0% vs TC avg
§102
16.4%
-23.6% vs TC avg
§112
32.7%
-7.3% vs TC avg
Black line = Tech Center average estimate • Based on career data from 478 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 . Information Disclosure Statement The information disclosure statement (IDS) submitted on 5/2/25 is being considered by the examiner. Election/Restrictions Claims 1-9, 11, 14-34 are withdrawn from further consideration pursuant to 37 CFR 1.142(b), as being drawn to a nonelected invention and species, there being no allowable generic or linking claim. Applicant timely traversed the restriction (election) requirement in the reply filed on 5/28/26. Applicants’ elected invention II and Species A-I. Applicant's election with traverse of the species restriction in the reply filed on 5/28/26 is acknowledged. The traversal is on the ground(s) that the grounds for restriction was not met and that there is no undue burden. This is not found persuasive because the grounds argu3ed were properly presented were the different fields of search are shown. With regards to applicants’ argument that there is no burden as applicant provides no evidence of such to overcome the burden shown in the restriction. The requirement is still deemed proper and is therefore made FINAL. Claim Rejections - 35 USC § 102 The following is a quotation of the appropriate paragraphs of pre-AIA 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) the invention was known or used by others in this country, or patented or described in a printed publication in this or a foreign country, before the invention thereof by the applicant for a patent. 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 (i.e., changing from AIA to pre-AIA ) 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. Claim(s) 25, 28-34, 36-37, and 40-47 are rejected under pre-AIA 35 U.S.C. 102(a) as being anticipated by Farias Moguel et al. (U.S. PGPub 2022/0117114). Regarding claim 10, Farias Moguel teaches a cooling system comprising: a cooling chamber (element 307) configured to house at least a portion of a cooling liquid (element 302) and one or more electronic components (elements 101)arranged along a stacking direction (per fig. 3, elements 101 are aligned in a “stacking direction”) to enable a thermal exchange between the one or more electronic components and the portion of the cooling liquid in the cooling chamber (para. 0014); and a filtration chamber (inside of element 312) communicatively coupled to the cooling chamber and configured to receive the cooling liquid from the cooling chamber via an inlet portion (line to 331 then to 312) of the filtration chamber (per fig. 3), filter at least a portion of the cooling liquid through the filtration chamber to result in a filtered cooling liquid (per para. 0028), and return the filtered cooling liquid in the filtration chamber to the cooling chamber via an outlet portion of the filtration chamber extending along a horizontal direction corresponding to the stacking direction (via the line from 312 to 307, note the “extending along a horizontal direction corresponding to the stacking direction” is extremely broad as the way or exact form of correspondence is very broad as it neither specifies an exact form or distance thus any correspondence reads on such, see annotated figure below). Regarding claim 12, Farias Moguel teaches the horizontal direction is parallel to the stacking direction (see annotated figure below), and the outlet portion is communicatively coupled to a bottom portion of the cooling chamber (per fig. 3). PNG media_image1.png 414 648 media_image1.png Greyscale Regarding claim 13, Farias Moguel teaches a cooling medium arranged within the cooling chamber (per fig. 3), wherein the one or more electronic components are cooled through a vaporization of a heated portion of the cooling liquid in the cooling chamber and through a condensation of a vaporized cooling liquid back into a liquid state by the cooling medium (para. 0015). Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to JOEL M ATTEY whose telephone number is (571)272-7936. The examiner can normally be reached on Monday-Thursday 8-5 and Friday 8-10 and 2-4. 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, Jianying Atkisson be reached on (571) 270-7740. 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. /JOEL M ATTEY/Primary Examiner, Art Unit 3763
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Prosecution Timeline

Dec 20, 2023
Application Filed
Jul 31, 2026
Non-Final Rejection mailed — §102 (current)

Precedent Cases

Applications granted by this same examiner with similar technology

Patent 12701679
ELECTRONIC SYSTEM LIQUID COOLING APPARATUS WITH SUSTAINED HEAT OUTPUT FOR ENERGY RE-USE
4y 4m to grant Granted Aug 04, 2026
Patent 12687342
HEAT EXCHANGER
3y 5m to grant Granted Jul 21, 2026
Patent 12679166
222-0088 TEMPERATURE CONTROL SYSTEM FOR A MOTOR VEHICLE AND METHOD FOR CONTROLLING THE TEMPERATURE OF DRIVETRAIN COMPONENTS OF A MOTOR VEHICLE
2y 5m to grant Granted Jul 14, 2026
Patent 12666567
COOLING LIQUID CIRCULATION UNIT, METHOD FOR CONTROLLING SAME, AND PROGRAM
2y 6m to grant Granted Jun 23, 2026
Patent 12660121
WATER-COOLING HEAT DISSIPATOR HAVING EXPANDING MECHANISM
3y 1m to grant Granted Jun 16, 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
64%
Grant Probability
99%
With Interview (+43.4%)
3y 1m (~5m remaining)
Median Time to Grant
Low
PTA Risk
Based on 478 resolved cases by this examiner. Grant probability derived from career allowance rate.

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