Prosecution Insights
Last updated: August 18, 2026

Examiner: KAHN, RACHEL

Tech Center 1700 • Art Units: 1766 1772 1787 1796

This examiner grants 27% of resolved cases

Performance Statistics

27.4%
Allow Rate
-37.6% vs TC avg
725
Total Applications
+16.2%
Interview Lift
1339
Avg Prosecution Days
Based on 664 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
15.4%
§102 Novelty
49.1%
§103 Obviousness
26.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18266999 Polycarbonate Resin and Preparation Method Thereof Non-Final OA LG Chem, Ltd.
18257173 NEW ALKOXYLATED POLYALKYLENE IMINES OR ALKOXYLATED POLYAMINES Non-Final OA BASF SE
18022530 POLYPHENYLENE SULFONE Final Rejection BASF SE
18287392 OXYETHYLENE STRUCTURE-CONTAINING POLYCARBONATE POLYOL AND USE THEREOF Non-Final OA ASAHI KASEI KABUSHIKI KAISHA
18043729 POLYARYLENE ETHER KETONE RESIN Final Rejection ASAHI KASEI KABUSHIKI KAISHA
18215962 IMIDE COMPOSITION AND PRESERVATIVE COMPOSITION COMPRISING THE IMIDE COMPOSITION Final Rejection Aktiebolaget SKF
18267348 COMPOSITION FOR REVERSIBLE POLYMERIZATION OF THIOESTER AND METHODS THEREOF Non-Final OA THE REGENTS OF THE UNIVERSITY OF COLORADO, A BODY CORPORATE
18284985 CURABLE RESIN COMPOSITION FOR STEREOLITHOGRAPHY, CURED PRODUCT, AND THREE-DIMENSIONAL OBJECT Non-Final OA DIC Corporation
18688090 COPOLYESTER BLENDS Non-Final OA Eastman Chemical Company
18688059 COPOLYESTERS PRODUCED WITH GERMANIUM CATALYST Non-Final OA Eastman Chemical Company
18257703 POLYESTER COMPOSITIONS COMPRISING TETRAMETHYL CYCLOBUTANEDIOL HAVING AN IMPROVED CATALYST SYSTEM COMPRISING TITANIUM AND ZINC ATOMS Non-Final OA Eastman Chemical Company
18257678 POLYESTER COMPOSITIONS COMPRISING TETRAMETHYL CYCLOBUTANEDIOL AND 1,4-CYCLOHEXANEDIMETHANOL HAVING AN IMPROVED CATALYST SYSTEM COMPRISING TITANIUM AND ZINC Non-Final OA Eastman Chemical Company
17915584 RESIN, RESIN PRECURSOR COMPOSITION, COATING COMPOSITION, ELECTROPHOTOGRAPHIC PHOTORECEPTOR, MOLDED ARTICLE, ELECTRONIC DEVICE, AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR PRODUCTION METHOD Final Rejection IDEMITSU KOSAN CO.,LTD.
18012465 PROCESS FOR PREPARING POLYIMIDES Non-Final OA Technische Universität Wien
18011245 (METH)ACRYLOYL-FUNCTIONALIZED AMIDE-CONTAINING OLIGOMERS Non-Final OA Arkema France
17786044 Method For Producing An Aromatic Diether And Corresponding Methods For Producing Polyaryl Ether Ketones Final Rejection ARKEMA FRANCE
18555773 ARTIFICIAL TURF FIBER COMPRISING A POLYMER GRAFTED WITH SILOXANES Non-Final OA Polytex Sportbelage Produktions-GmbH
18482231 ARTIFICIAL TURF WITH TRACTION CONTROL AGENT FOR HOCKEY FIELDS Non-Final OA Polytex Sportbelage Produktions-GmbH
18480110 ARTIFICIAL TURF WITH TRACTION CONTROL AGENT Non-Final OA Polytex Sportbelage Produktions-GmbH

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