Prosecution Insights
Last updated: August 18, 2026

Examiner: KARST, DAVID THOMAS

Tech Center 1700 • Art Units: 1632 1671 1732 1748 1767 1796

This examiner grants 64% of resolved cases

Performance Statistics

64.5%
Allow Rate
-0.5% vs TC avg
1,048
Total Applications
+9.9%
Interview Lift
1068
Avg Prosecution Days
Based on 999 resolved cases, 2023–2026

Rejection Statute Breakdown

1.3%
§101 Eligibility
13.4%
§102 Novelty
49.2%
§103 Obviousness
27.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17627920 COMPOSITION FOR COATING SUBSTRATE WITH LEVEL DIFFERENCE, SAID COMPOSITION CONTAINING COMPOUND HAVING CURABLE FUNCTIONAL GROUP Final Rejection NISSAN CHEMICAL CORPORATION
19537011 Coating Compositions, Films, And Methods Non-Final OA Adept Materials, Inc.
18571981 METHOD FOR PREPARING POLYLACTIC ACID POLYMER Non-Final OA LG CHEM, LTD.
18273629 POLYCARBONATE AND METHOD FOR PREPARING SAME Non-Final OA LG CHEM, LTD.
18258667 PRESSURE-SENSITIVE ADHESIVE COMPOSITION Non-Final OA LG CHEM, LTD.
18397035 CLEAVABLE POLYMERS Non-Final OA IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC.
18337581 POLYMER, ORGANIC SEMICONDUCTOR MATERIAL, STRETCHABLE POLYMER THIN FILM, AND ELECTRONIC DEVICE Final Rejection THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY
18932752 HEAT-CURABLE MALEIMIDE RESIN COMPOSITION Final Rejection Shin-Etsu Chemical Co., Ltd.
18515682 BISMALEIMIDE COMPOUND, RESIN VARNISH, AND PRODUCTION METHOD THEREOF Non-Final OA Shin-Etsu Chemical Co., Ltd.
18413582 Novel diamine compound, reactive monomer for polyimide precursor containing the same, and polyimide film prepared therefrom Non-Final OA PUSAN NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION
18043667 Color Stable Epoxy Compositions Final Rejection 3M INNOVATIVE PROPERTIES COMPANY
18274115 TIRE INCORPORATING A RUBBER COMPOSITION INCLUDING A SPECIFIC HYDROCARBON RESIN Non-Final OA COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
18263416 SENSITIZER FOR NUCLEIC ACID AMPLIFICATION, COMPOSITION FOR NUCLEIC ACID AMPLIFICATION, AND TEST KIT Final Rejection NOF CORPORATION
18359949 CRASH DURABLE, STRESS DURABLE AND WELDABLE EPOXY ADHESIVES Non-Final OA Henkel AG & Co. KGaA
18393821 Polyamide 56 Composition with Reduced Moisture Absorption Non-Final OA TE Connectivity Solutions GmbH
18006749 RESIN COMPOSITION, FORMED ARTICLE, AND, ELECTROMAGNETIC WAVE ABSORBER Final Rejection MITSUBISHI CHEMICAL CORPORATION
18274623 RESIN COMPOSITION AND MOLDED BODY Final Rejection KURARAY CO., LTD.
18437303 BINDER COMPOSITE, ELECTROCHEMICAL APPARATUS, AND ELECTRIC APPARATUS Non-Final OA Ningde Amperex Technology Limited
18263755 PROCESS FOR BRANCHED POLYESTERS FOR FOAMING AND RELATED PRODUCTS Non-Final OA NOVAMONT S.P.A

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