Prosecution Insights
Last updated: May 29, 2026
Application No. 18/035,922

CROSSLINKING COMONOMERS FOR HIGH PERFORMANCE DEGRADABLE THERMOSETS

Non-Final OA §102§112
Filed
May 08, 2023
Priority
Nov 09, 2020 — provisional 63/111,608 +1 more
Examiner
JARRELL, NOBLE E
Art Unit
1699
Tech Center
1600 — Biotechnology & Organic Chemistry
Assignee
Massachusetts Institute Of Technology
OA Round
1 (Non-Final)
81%
Grant Probability
Favorable
1-2
OA Rounds
0m
Est. Remaining
90%
With Interview

Examiner Intelligence

Grants 81% — above average
81%
Career Allowance Rate
830 granted / 1021 resolved
+21.3% vs TC avg
Moderate +9% lift
Without
With
+9.0%
Interview Lift
resolved cases with interview
Typical timeline
2y 11m
Avg Prosecution
59 currently pending
Career history
1077
Total Applications
across all art units

Statute-Specific Performance

§101
1.2%
-38.8% vs TC avg
§103
22.3%
-17.7% vs TC avg
§102
18.6%
-21.4% vs TC avg
§112
32.6%
-7.4% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1021 resolved cases

Office Action

§102 §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 . Election/Restrictions Applicant’s election without traverse of a compound of formula (B) in which examined variable W is silicon and is part of a spiro ring system in the reply filed on 2026 January 20 is acknowledged. Due to no prior art against a spiro compound of formula (B) in which examined variable W is silicon, the search is extended to compounds in which examined variable W is silicon substituted with at least one halogen, unsaturated alkyl group, or a carbocyclic group for examined variable RK2. Claims 1, 2, 66-72, 101, 102, and 110-117 are pending in the examined application. Due to the election of group I and a species with the same, claims 1, 2 66, 67, 110, and 111 are examined on the merits with respect to the Markush-type search. PNG media_image1.png 358 336 media_image1.png Greyscale PNG media_image2.png 286 210 media_image2.png Greyscale Claims 68-72, 101, 102, and 112-117 are withdrawn from further consideration pursuant to 37 CFR 1.142(b) as being drawn to a nonelected invention, there being no allowable generic or linking claim. Election was made without traverse in the reply filed on 2026 January 20. Information Disclosure Statement The information disclosure statements (IDS) submitted on 2023 August 8, 2024 September 25, 2025 February 10, and 2026 January 20 have been submitted in compliance with the provisions of 37 CFR 1.97. Accordingly, the information disclosure statement is being considered by the examiner. Claim Objections Claims 1, 2, 66, 67, 110, and 111 are objected to because of the following informalities: foggy / gray images in claims 1 and 2; and the presence of instructions in claims. In claims 1 and 2 images with gray highlighting are present. The highlighting makes the images illegible because it covers of the bonds between the ring heteroatoms. With regards to the ‘label’ and ‘instructions’, The MPEP states, “Where the only difference between a prior art product and a claimed product is printed matter that is not functionally related to the product, the content of the printed matter will not distinguish the claimed product from the prior art. In re Ngai, 367 F.3d 1336, 1339, 70 USPQ2d 1862, 1864 (Fed. Cir. 2004) (Claim at issue was a kit requiring instructions and a buffer agent. The Federal Circuit held that the claim was anticipated by a prior art reference that taught a kit that included instructions and a buffer agent, even though the content of the instructions differed.). See also In re Gulack, 703 F.2d 1381, 1385-86, 217 USPQ 401, 404 (Fed. Cir. 1983)("Where the printed matter is not functionally related to the substrate, the printed matter will not distinguish the invention from the prior art in terms of patentability …. [T ]he critical question is whether there exists any new and unobvious functional relationship between the printed matter and the substrate.").” (MPEP § 2112.01). When Gulack is applied to claim 111, the instructions do not carry patentable weight. Appropriate correction is required. 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, 2, 66, 67, 110, and 111 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. Claims 1, 2, 66. 67, 110, and 111 recite the compound below in the proviso. There is insufficient antecedent basis for this limitation in the claim because examined variables RK1 and RK2 are not permitted be an O-ethyl group. PNG media_image3.png 146 582 media_image3.png Greyscale PNG media_image4.png 96 578 media_image4.png Greyscale PNG media_image5.png 94 140 media_image5.png Greyscale Claim Rejections - 35 USC § 102 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. 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, 2, 110, and 111 is/are rejected under 35 U.S.C. 102(a)(1) as being anticipated by HERGES (Journal of the American Chemical Society, 1996, 118, 12572-12757) describes reactant compounds (page 12756, scheme 3, third row reactant). In these compounds, the following examined definitions apply: each of (Ry, RY) and (RZ, RZ) are defined as (H, H); (Me, H), or (Me, Me). Compositions are described (page 12756, second column, last paragraph to page 12757, first paragraph). PNG media_image6.png 218 376 media_image6.png Greyscale Conclusion Claims 1, 2, 66. 67, 110, and 111 are not allowed. The following is a statement of reasons for the indication of allowable subject matter: HUSTED (WO 2022/164503, published 2022 August 4) several compounds (page 79, claim 86) which do not anticipate or render obvious a compound of the examined application because the reference was published 2022 August 4, which is after the effective filing date of 2020 November 9. PNG media_image7.png 244 548 media_image7.png Greyscale Any inquiry concerning this communication or earlier communications from the examiner should be directed to NOBLE E JARRELL whose telephone number is (571)272-9077. The examiner can normally be reached 9:00 AM to 5:00 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, Fereydoun Sajjadi can be reached at 571-272-3311. 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. /NOBLE E JARRELL/Primary Examiner, Art Unit 1699
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Prosecution Timeline

May 08, 2023
Application Filed
Dec 11, 2025
Applicant Interview (Telephonic)
Dec 11, 2025
Examiner Interview Summary
May 06, 2026
Non-Final Rejection mailed — §102, §112 (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

1-2
Expected OA Rounds
81%
Grant Probability
90%
With Interview (+9.0%)
2y 11m (~0m remaining)
Median Time to Grant
Low
PTA Risk
Based on 1021 resolved cases by this examiner. Grant probability derived from career allowance rate.

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