Prosecution Insights
Last updated: August 18, 2026

Examiner: DARLING, DEVIN MITCHELL

Tech Center 1700 • Art Units: 1625 1745 1754 1763 1764

This examiner grants 61% of resolved cases

Performance Statistics

61.3%
Allow Rate
-3.7% vs TC avg
85
Total Applications
+27.3%
Interview Lift
1188
Avg Prosecution Days
Based on 31 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
11.7%
§102 Novelty
54.8%
§103 Obviousness
22.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17629877 Method for Preparing Modified Conjugated Diene-Based Polymer Non-Final OA LG CHEM, LTD.
18284189 ADHESIVE PRECURSOR COMPOSITION AND HEAT-EXPANDABLE TEMPORARY ADHESIVE THEREFROM Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
18776834 RESIN COMPOSITION FOR FORMING PHASE-SEPARATED STRUCTURE AND METHOD FOR PRODUCING STRUCTURE HAVING PHASE-SEPARATED STRUCTURE Non-Final OA TOKYO OHKA KOGYO CO., LTD.
18515628 CURABLE COMPOSITION AND USE THEREOF Non-Final OA Henkel AG & Co. KGaA
17806000 Aqueous resin emulsion Final Rejection Henkel AG & Co., KGaA
18672783 METHACRYLIC RESIN COMPOSITION FOR INJECTION MOLDING OR EXTRUSION MOLDING, RESIN MOLDED BODY, AND METHOD FOR PRODUCING SAME Final Rejection MITSUBISHI CHEMICAL CORPORATION
18382647 POLYMER COMPOSITION AND MOLDED ARTICLE THEREOF Non-Final OA MITSUBISHI CHEMICAL CORPORATION
17774626 RESIN COMPOSITION, PLATE-SHAPED MOLDED ARTICLE, MULTILAYERED ARTICLE, AND ANTI-REFLECTION FILM Final Rejection MITSUBISHI GAS CHEMICAL COMPANY, INC.
18336843 ADHESIVE AND METHOD FOR REMOVING THE SAME Final Rejection INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
18288068 RESIN COMPOSITION, FOAMABLE COMPOSITION, AND CROSSLINKED FOAM BODY Non-Final OA KURARAY CO., LTD.
17928040 Resin Composition, and Aqueous Coating Fluid and Multilayer Structure Each Comprising Same Final Rejection KURARAY CO., LTD.
17782732 Propylene-Based Elastomer Compositions, Articles Thereof, and Methods Thereof Non-Final OA ExxonMobil Chemical Patents Inc.
18552801 CHLOROPRENE POLYMER, CHLOROPRENE POLYMER COMPOSITION, VULCANIZATION MOLDED BODY AND ROLL Non-Final OA Denka Company Limited
18005028 RESIN COMPOSITION AND MOLDED RESIN ARTICLES Non-Final OA Denka Company Limited
17418556 CHLOROPRENE POLYMER LATEX AND METHOD FOR PRODUCING SAME Non-Final OA SHOWA DENKO K.K

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