Prosecution Insights
Last updated: April 19, 2026
Application No. 18/311,630

APPARATUS AND METHODS FOR METHYL MERCURY DETECTION AND CAPTURE

Non-Final OA §112
Filed
May 03, 2023
Examiner
SMARI, ABDUL-RAHMAN YUSUF WALEED
Art Unit
1736
Tech Center
1700 — Chemical & Materials Engineering
Assignee
The Regents of the University of California
OA Round
1 (Non-Final)
87%
Grant Probability
Favorable
1-2
OA Rounds
3y 2m
To Grant
99%
With Interview

Examiner Intelligence

Grants 87% — above average
87%
Career Allow Rate
34 granted / 39 resolved
+22.2% vs TC avg
Moderate +12% lift
Without
With
+11.8%
Interview Lift
resolved cases with interview
Typical timeline
3y 2m
Avg Prosecution
22 currently pending
Career history
61
Total Applications
across all art units

Statute-Specific Performance

§101
3.6%
-36.4% vs TC avg
§103
41.7%
+1.7% vs TC avg
§102
22.2%
-17.8% vs TC avg
§112
29.4%
-10.6% vs TC avg
Black line = Tech Center average estimate • Based on career data from 39 resolved cases

Office Action

§112
DETAILED ACTIONNotice 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 Objections Claims 4-5, 23, and 25 are objected to because of the following informalities: In Claims 4, 23, and 25, line 2, “4-hydroxystyerene” should read “4-hydroxystyrene”. In Claim 5, lines 1-2, “the acid labile protecting cap” should read “the acid labile acetal group”. 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 4, 23, and 25 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. Regarding claims 4, 23, and 25, the limitation in line 3 of “(5 mol%)” in parentheses renders the claim indefinite because it is unclear whether the limitation is required or optional. Allowable Subject Matter Claims 1-3, 21-22, and 24 are allowed. Claims 4-5, 23, and 25 would be allowable if rewritten to overcome the claim objections and rejections under 35 U.S.C. 112(b) or 35 U.S.C. 112 (pre-AIA ), 2nd paragraph, set forth in this Office action and to include all of the limitations of the base claim and any intervening claims. The following is a statement of reasons for the indication of allowable subject matter: Kumar et al. (“Tetrahydropyranyl ether (THPE) formation in hydroxyl group protection and conversion to other useful functionalities”) and He (“Advanced Adsorbents for Capture of Vapor-Phase Mercury and Other Toxic Components from Flue Gas”) are considered to be the closest prior art to the instant claims. None of the prior art teach or suggest a mercury or methyl-mercury capture material, comprising a polymer surface with exposed thiol or sulfide moieties and phenol moieties, said phenol moieties capped with an acid labile acetal group. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to ABDUL-RAHMAN YUSUF WALEED SMARI whose telephone number is (571)270-7302. The examiner can normally be reached M-Th 7:30-5, F 7:30-4. 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, Anthony Zimmer can be reached at 571-270-3591. 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. /ABDUL-RAHMAN YUSUF WALEED SMARI/Examiner, Art Unit 1736 /ANTHONY J ZIMMER/Supervisory Patent Examiner, Art Unit 1736
Read full office action

Prosecution Timeline

May 03, 2023
Application Filed
Jan 20, 2026
Non-Final Rejection — §112 (current)

Precedent Cases

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Patent 12582968
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Patent 12577898
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2y 5m to grant Granted Mar 17, 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
87%
Grant Probability
99%
With Interview (+11.8%)
3y 2m
Median Time to Grant
Low
PTA Risk
Based on 39 resolved cases by this examiner. Grant probability derived from career allow rate.

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