Prosecution Insights
Last updated: April 19, 2026

Examiner: KAHN, RACHEL

Tech Center 1700 • Art Units: 1766 1796

This examiner grants 28% of resolved cases

Performance Statistics

27.6%
Allow Rate
-37.4% vs TC avg
714
Total Applications
+15.9%
Interview Lift
1376
Avg Prosecution Days
Based on 649 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
15.5%
§102 Novelty
48.5%
§103 Obviousness
23.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18022530 POLYPHENYLENE SULFONE Non-Final OA BASF SE
17915584 RESIN, RESIN PRECURSOR COMPOSITION, COATING COMPOSITION, ELECTROPHOTOGRAPHIC PHOTORECEPTOR, MOLDED ARTICLE, ELECTRONIC DEVICE, AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR PRODUCTION METHOD Non-Final OA IDEMITSU KOSAN CO.,LTD.
17444895 LUMINESCENCE DEVICE AND AMINE COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE Final Rejection Samsung Display Co., Ltd.
17326929 HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME Final Rejection Samsung Display Co., Ltd.
17621908 ARTIFICIAL MELANIN NANOPARTICLES AND METHODS INCLUDING POROUS MELANIN MATERIALS Non-Final OA Northwestern University
18029600 MONOMER COMPOSITION FOR SYNTHESIZING RECYCLED PLASTIC, PREPARATION METHOD THEREOF, AND RECYCLED PLASTIC, MOLDED PRODUCT, PLASTICIZER COMPOSITION USING THE SAME Final Rejection LG CHEM, LTD.
18215962 IMIDE COMPOSITION AND PRESERVATIVE COMPOSITION COMPRISING THE IMIDE COMPOSITION Non-Final OA Aktiebolaget SKF
16822314 IMIDE COMPOSITION AND PRESERVATIVE COMPOSITION COMPRISING THE IMIDE COMPOSITION Final Rejection Aktiebolaget SKF
16919051 ULTRA STRONG TWO DIMENSIONAL POLYMERS Non-Final OA MASSACHUSETTS INSTITUTE OF TECHNOLOGY
18761931 POLYIMIDE FILM, METHOD FOR PRODUCING POLYIMIDE FILM, AND POLYIMIDE PRECURSOR RESIN COMPOSITION Non-Final OA DAI NIPPON PRINTING CO., LTD.
19172571 METHOD FOR MAKING GLYCOLALDEHYDE POLYMERS Final Rejection Sustainable Chemicals, LLC
17919834 Biodegradable Copolymers and Nanofibrous Scaffold Thereof Final Rejection THE REGENTS OF THE UNIVERSITY OF MICHIGAN
17781895 Process for Preparing Polyamide by Anionic Polymerization and Polyamide Prepared Thereby Final Rejection HANWHA SOLUTIONS CORPORATION
19039332 CLOSED-LOOP THERMOSET POLYMERS WITH IMPROVED PROCESSIBILITY AND TUNABLE DEGRADATION Non-Final OA HRL Laboratories, LLC
17636400 THERMOPLASTIC RESIN COMPOSITION, FIBER-REINFORCED RESIN SUBSTRATE, AND MOLDED ARTICLE Non-Final OA TORAY INDUSTRIES, INC.
17966935 Composition Containing Polyamideimide Precursor or Polyamideimide, and Polyamideimide Film Produced Using the Same Final Rejection SK ie technology Co., Ltd.
18088782 MODIFIED BISMALEIMIDE RESIN Non-Final OA NAN YA PLASTICS CORPORATION
17621649 VULCANISABLE SILICONE COMPOSITIONS Non-Final OA ROHM AND HAAS COMPANY
18720005 Novel Compositions with Improved Characteristics Final Rejection ARXADA AG
18030844 EPOXY RESIN CURING AGENT, EPOXY RESIN COMPOSITION, PAINT, AND ADHESIVE Final Rejection MITSUBISHI GAS CHEMICAL COMPANY, INC.
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
18044084 POLYAMIDE-BASED FILM, MANUFACTURING METHOD THEREFOR, AND COVER WINDOW AND DISPLAY DEVICE EACH COMPRISING SAME Final Rejection SK microworks Co., Ltd.
18090531 BENZOXAZINE RESIN AND PREPARATION METHOD THEREOF, AND ADHESIVE Non-Final OA AAC Technologies (Nanjing) Co., Ltd.
17787279 GLYCOLIC ACID POLYMER Final Rejection SYENSQO SPECIALTY POLYMERS USA, LLC
17927364 A METHOD FOR MANUFACTURING AN OLIGOMERIC POLYETHYLENE TEREPHTHALATE (PET) SUBSTRATE Final Rejection Koch Technology Solutions, LLC
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

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