Prosecution Insights
Last updated: October 04, 2026
Application No. 18/885,485

RESIN-BASED COMPOSITE NUCLEAR SHIELDING MATERIAL AND PREPARATION METHOD THEREFOR

Non-Final OA §112
Filed
Sep 13, 2024
Priority
Nov 13, 2023 — CN 202311503496X
Examiner
NGUYEN, KHANH TUAN
Art Unit
1761
Tech Center
1700 — Chemical & Materials Engineering
Assignee
Huaneng Nuclear Energy Technology Research Institute Co. Ltd.
OA Round
2 (Non-Final)
75%
Grant Probability
Favorable
2-3
OA Rounds
8m
Est. Remaining
93%
With Interview

Examiner Intelligence

Grants 75% — above average
75%
Career Allowance Rate
806 granted / 1081 resolved
+9.6% vs TC avg
Strong +19% interview lift
Without
With
+18.7%
Interview Lift
resolved cases with interview
Typical timeline
2y 8m
Avg Prosecution
28 currently pending
Career history
1107
Total Applications
across all art units

Statute-Specific Performance

§101
1.0%
-39.0% vs TC avg
§103
47.5%
+7.5% vs TC avg
§102
24.5%
-15.5% vs TC avg
§112
19.3%
-20.7% vs TC avg
Black line = Tech Center average estimate • Based on career data from 1081 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 . Priority Acknowledgment is made of applicant's claim for foreign priority based on an application filed in China on 11/13/2023. It is noted, however, that applicant has not filed a certified copy of the CN 202311503496X application as required by 37 CFR 1.55. Information Disclosure Statement The information disclosure statement (IDS) filed on 09/13/2024 is in compliance with the provisions of 37 CFR 1.97 and has been considered by the examiner. An initialed copy accompanies this Office Action. 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 2, 4, and 7 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. Claim 2 recites the limitation "the mass percentage" in line 1. There is insufficient antecedent basis for this limitation in the claim. Claim 4 recites the limitation "the mass ratio" in line 1. There is insufficient antecedent basis for this limitation in the claim. Claim 4 recites the limitation "the ratio of the carbon nanotube to the deionized water" in lines 2-3. There is insufficient antecedent basis for this limitation in the claim. Claim 7 recites the limitation "the ratio" in line 1. There is insufficient antecedent basis for this limitation in the claim. Claim 7 recites the limitation "the mass ratio" in line 2. There is insufficient antecedent basis for this limitation in the claim. Claim 7 recites the limitation "the mass ratio" in line 3. There is insufficient antecedent basis for this limitation in the claim. Allowable Subject Matter Claims 1, 3, 5, 6, and 8-10 are allowable over the prior art of record. The following is a statement of reasons for the indication of allowable subject matter: Currently, there is no prior art alone or in combination that teaches or fairly suggests a method for a resin-based composite nuclear shielding material comprising the steps of forming solutions A, B, and C as required in claim 1. Therefore, claim 1 is allowable over the prior art of record. Claims 3, 5, 6, and 8-10 depend from claim 1 are allowable based on their dependencies. Claims 2, 4 and 7 would be allowable if rewritten to overcome the rejection(s) 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. Conclusion Any inquiry concerning this communication or earlier communications from the examiner should be directed to KHANH TUAN NGUYEN whose telephone number is (571)272-8082. The examiner can normally be reached M-F 9:00 AM to 5:00 PM EST. 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, Angela Brown-Pettigrew can be reached at (571) 272-2817. 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. /KHANH T NGUYEN/Primary Examiner, Art Unit 1761
Read full office action

Prosecution Timeline

Sep 13, 2024
Application Filed
Jul 30, 2026
Non-Final Rejection mailed — §112
Aug 12, 2026
Response Filed
Oct 01, 2026
Non-Final Rejection mailed — §112 (current)

Precedent Cases

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

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Prosecution Projections

2-3
Expected OA Rounds
75%
Grant Probability
93%
With Interview (+18.7%)
2y 8m (~8m remaining)
Median Time to Grant
Moderate
PTA Risk
Based on 1081 resolved cases by this examiner. Grant probability derived from career allowance rate.

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