Prosecution Insights
Last updated: October 01, 2026
Application No. 18/368,936

THERMAL MANAGEMENT SYSTEM FOR MULTIPLE DIES

Final Rejection §102
Filed
Sep 15, 2023
Examiner
RAHAMAN, SHAHAN UR
Art Unit
2426
Tech Center
2400 — Computer Networks
Assignee
Microsoft Technology Licensing, LLC
OA Round
2 (Final)
76%
Grant Probability
Favorable
3-4
OA Rounds
0m
Est. Remaining
89%
With Interview

Examiner Intelligence

Grants 76% — above average
76%
Career Allowance Rate
508 granted / 665 resolved
+18.4% vs TC avg
Moderate +13% lift
Without
With
+12.7%
Interview Lift
resolved cases with interview
Typical timeline
2y 10m
Avg Prosecution
32 currently pending
Career history
711
Total Applications
across all art units

Statute-Specific Performance

§101
5.7%
-34.3% vs TC avg
§103
52.3%
+12.3% vs TC avg
§102
12.3%
-27.7% vs TC avg
§112
16.5%
-23.5% vs TC avg
Black line = Tech Center average estimate • Based on career data from 665 resolved cases

Office Action

§102
DETAILED ACTION The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA . Following prior arts are considered pertinent to applicant's disclosure. US 20180211900 A1 (Gutala) US 20210257277 A1 (Bertrand) US 20230245950 A1 (Haba50) US 20220015262 A1 (Rider62) Allowable Subject Matter Claims 1-16 are allowed. The following is an examiner’s statement of reasons for allowance: The primary reason for allowance of independent claim 1 is that the amended limitations in the context of other limitations in the claim, considering the claim as a whole, is not anticipated nor is obvious over the prior art of record or prior art found during Examiner’s search. Depended claims are allowable, at least, because of their dependence on the allowable independent claim. Claim Objection (Allowable Subject Matter) Claim 18 is 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. Response to Remarks/Arguments Applicants’ arguments with respect to following claims rejection have been fully considered but are moot in view of the new grounds of rejection 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. (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 17, 19 and 21 are rejected under 35 U.S.C. 102(a)(1) and (a)(2) as being anticipated by Gutala Gutala teaches with respect to following claims 21. (New) A thermal management system for an electronic device, comprising: a circuit board; a first die and a second die connected to the circuit board and positioned laterally adjacent to each other such that a side-channel is defined between the first die and the second die, wherein the side-channel acts as an insulating layer [(Fig.3, gap/channel between Dice, they are separating dies so they don’t have a conducting path; para 27-28 )]; and an additional thermal layer positioned on a top surface of the first die, on a top surface of the second die, and extending over the side-channel between the first die and the second die, wherein the additional thermal layer defines a top of the side-channel. [(TIM, 310 )] 17. (Currently Amended) A thermal management system for electronic device, comprising: a circuit board; a first die and a second die, wherein the first die and the second die are laterally adjacent to each other and connected to the circuit board; a side-channel between the first die and the second die, wherein the side- channel acts as an insulating layer; and one or more thermal elements on top of the first die and the second die, the one or more thermal elements defining one or more top channels on top of the first die and the second die, wherein the side-channel is not fluidly connected with the one or more top channels. [(see analysis of claim 1 and Fig.3, 71-73 are not connected to the gap between dice )] 19. (Currently Amended) The thermal management system of claim 17, wherein the one or more thermal elements are formed on top surfaces of the first die and the second die [(see analysis of claim 1 and Fig.3)] Claim 21 is rejected under 35 U.S.C. 102(a)(1) and (a)(2) as being anticipated by Bertrand With respect to claim 21. Bertrand teaches a thermal management system for an electronic device, comprising: a circuit board; a first die and a second die connected to the circuit board and positioned laterally adjacent to each other such that a side-channel is defined between the first die and the second die, wherein the side-channel acts as an insulating layer [(Fig.3A, para 33; gap/channel between Dies, they are separating dies so they don’t have a conducting path)]; and an additional thermal layer positioned on a top surface of the first die, on a top surface of the second die, and extending over the side-channel between the first die and the second die, wherein the additional thermal layer defines a top of the side-channel. [(TIM, 332 )] Conclusion THIS ACTION IS MADE FINAL. 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 extension fee 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 Shahan Rahaman whose telephone number is (571)270-1438. The examiner can normally be reached on 7am - 3:30pm. If attempts to reach the examiner by telephone are unsuccessful, the examiner’s supervisor, Nasser Goodarzi can be reached at telephone number (571) 272-4195. The fax phone number for the organization where this application or proceeding is assigned is (571) 273-8300. Information regarding the status of an application may be obtained from Patent Center. Status information for published applications may be obtained from Patent Center. Status information for unpublished applications is available through Patent Center for authorized users only. Should you have questions about access to Patent Center, contact the Electronic Business Center (EBC) at 866-217-9197 (toll-free). 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) Form at https://www.uspto.gov/patents/uspto-automated- interview-request-air-form. /SHAHAN UR RAHAMAN/Primary Examiner, Art Unit 2426
Read full office action

Prosecution Timeline

Sep 15, 2023
Application Filed
Apr 28, 2026
Non-Final Rejection mailed — §102
Jun 17, 2026
Interview Requested
Jun 30, 2026
Applicant Interview (Telephonic)
Jul 17, 2026
Examiner Interview Summary
Jul 28, 2026
Response Filed
Sep 25, 2026
Final Rejection mailed — §102 (current)

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Study what changed to get past this examiner. Based on 5 most recent grants.

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Prosecution Projections

3-4
Expected OA Rounds
76%
Grant Probability
89%
With Interview (+12.7%)
2y 10m (~0m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 665 resolved cases by this examiner. Grant probability derived from career allowance rate.

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