Prosecution Insights
Last updated: May 29, 2026

Examiner: DARLING, DEVIN MITCHELL

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

This examiner grants 62% of resolved cases

Performance Statistics

62.1%
Allow Rate
-2.9% vs TC avg
80
Total Applications
+21.7%
Interview Lift
1176
Avg Prosecution Days
Based on 29 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
3.0%
§102 Novelty
82.0%
§103 Obviousness
0.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18262289 STYRENE-BASED RESIN COMPOSITION Non-Final OA IDEMITSU KOSAN CO., LTD.
17629877 Method for Preparing Modified Conjugated Diene-Based Polymer Non-Final OA LG CHEM, LTD.
18451502 COPOLYMER, MOLDED BODY, INJECTION MOLDED BODY, AND COATED ELECTRICAL WIRE Non-Final OA DAIKIN INDUSTRIES, LTD.
18266106 MELT-BLOWN WEB MADE OF POLYPROPYLENE Non-Final OA SABIC GLOBAL TECHNOLOGIES B.V.
17785683 POLYOLEFIN/ POLYESTER RESIN Non-Final OA SABIC GLOBAL TECHNOLOGIES B.V.
18270813 AN ACRYLIC PRESSURE SENSITIVE ADHESIVE AND USE THEREOF FOR PROVIDING SELF-ADHERING SEALING DEVICES Final Rejection SIKA TECHNOLOGY AG
18336843 ADHESIVE AND METHOD FOR REMOVING THE SAME Non-Final OA INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
18284189 ADHESIVE PRECURSOR COMPOSITION AND HEAT-EXPANDABLE TEMPORARY ADHESIVE THEREFROM Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
17928040 Resin Composition, and Aqueous Coating Fluid and Multilayer Structure Each Comprising Same Non-Final OA KURARAY CO., LTD.
17926293 POLYMER FOR POWER CABLE INSULATION Non-Final OA BOREALIS AG
17765907 POLYMER COMPOSITION SUITABLE FOR MAKING BLOWN FILMS Non-Final OA BOREALIS AG
18283392 POLAR RESIN COMPOSITION AND LAMINATE Non-Final OA MITSUI CHEMICALS, INC.
18596722 HOT MELT ADHESIVE COMPOSITION Final Rejection BOSTIK SA
17774626 RESIN COMPOSITION, PLATE-SHAPED MOLDED ARTICLE, MULTILAYERED ARTICLE, AND ANTI-REFLECTION FILM Final Rejection MITSUBISHI GAS CHEMICAL COMPANY, INC.
17914380 POLYMER COMPOSITION FOR WATERPROOF-BREATHABLE FILMS Non-Final OA ARKEMA FRANCE
18776834 RESIN COMPOSITION FOR FORMING PHASE-SEPARATED STRUCTURE AND METHOD FOR PRODUCING STRUCTURE HAVING PHASE-SEPARATED STRUCTURE Final Rejection TOKYO OHKA KOGYO CO., LTD.
17914178 COMPOSITIONS WHICH HAVE POLYESTER-POLYSILOXANE COPOLYMERS Non-Final OA Wacker Chemie AG
17782732 Propylene-Based Elastomer Compositions, Articles Thereof, and Methods Thereof Non-Final OA ExxonMobil Chemical Patents Inc.
17775787 VESSEL CLOSURE SEAL AND VESSEL CLOSURE Non-Final OA ACTEGA DS GMBH
18261316 PROPYLENE/ETHYLENE RANDOM COPOLYMER-BASED RESIN Non-Final OA ESENTTIA S.A.
17736424 STABILIZATION OF ANTIMICROBIAL COATINGS Final Rejection ARMSTRONG WORLD INDUSTRIES, INC.
18256250 POLYOLEFIN COMPOSITIONS COMPRISING RECYCLED POLYOLEFIN Final Rejection Synthomer Adhesive Technologies LLC
18256300 RECYCLED POLYOLEFIN COMPOSITIONS COMPRISING RANDOM ALPHA-OLEFINIC COPOLYMERS AND ADDITIONAL POLYMERS Final Rejection SYNTHOMER ADHESIVE TECHNOLOGIES LLC
17841025 RECYCLED POLYOLEFIN COMPOSITIONS COMPRISING RANDOM ALPHA-OLEFINIC COPOLYMERS AND ADDITIONAL POLYMERS Final Rejection Synthomer Adhesive Technologies LLC
17418556 CHLOROPRENE POLYMER LATEX AND METHOD FOR PRODUCING SAME Final Rejection SHOWA DENKO K.K
17756185 THIOL-MODIFIED POLYMER COMPOUND, AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF Non-Final OA BLAFAR BIOTECHNOLOGY (HANGZHOU) LTD

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