Prosecution Insights
Last updated: October 02, 2026

Examiner: KRYLOVA, IRINA

Tech Center 3600 • Art Units: 1723 1732 1764 1765 1796 3613

This examiner grants 37% of resolved cases

Analysis

Irina Krylova serves as an examiner in Art Unit 1723 within Tech Center 3600. The examiner has 770 resolved cases with an allowance rate of 36.8 percent. This rate indicates a challenging examination process where less than half of the applications reach a grant. The 770 resolved cases provide a clear statistical foundation for understanding the examiner's patterns and the general probability of success in this art unit.

The data highlights a high interview lift of 48.5 percent, suggesting that direct engagement is a very effective factor in resolving objections. This 48.5 percent lift shows that interviews can significantly improve the chances of allowance compared to written prosecution alone. The median days to allowance is 1461, reflecting a lengthy prosecution cycle. Practitioners should factor the 1461-day median into their long-term strategy. Given the 36.8 percent allowance rate and the substantial impact of interviews, practitioners have a strong incentive to prioritize verbal communication to navigate the examination process effectively.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

36.7%
Allow Rate
-15.3% vs TC avg
833
Total Applications
+48.5%
Interview Lift
1461
Avg Prosecution Days
Based on 773 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
10.8%
§102 Novelty
52.0%
§103 Obviousness
19.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18451525 COPOLYMER, MOLDED BODY, EXTRUDED BODY, AND TRANSFER MOLDED BODY Final Rejection DAIKIN INDUSTRIES, LTD.
18449845 COPOLYMER, MOLDED ARTICLE, INJECTION MOLDED ARTICLE AND COVERED WIRE Final Rejection DAIKIN INDUSTRIES, LTD.
18191461 COPOLYMER, INJECTION MOLDED BODY, MEMBER TO BE COMPRESSED, AND COATED WIRE Non-Final OA DAIKIN INDUSTRIES, LTD.
18028282 Super Absorbent Polymer and Preparation Method Thereof Final Rejection LG Chem, Ltd.
17450861 PUMPABLE, THERMALLY EXPANDABLE PREPARATION Final Rejection Henkel AG & Co. KGaA
17450858 PUMPABLE, THERMALLY CURABLE AND EXPANDABLE PREPARATIONS Final Rejection Henkel AG & Co. KGaA
18664259 BINDER AND PREPARATION METHOD THEREOF, SEPARATOR, ELECTRODE PLATE, ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY, AND ELECTRIC APPARATUS Non-Final OA CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18269094 HYDROGENATED PRODUCT OF BLOCK COPOLYMER, RESIN COMPOSITION, AND METHOD FOR PRODUCING HYDROGENATED PRODUCT OF BLOCK COPOLYMER Final Rejection KURARAY CO., LTD.
18278308 MOULDED POLYURETHANE FLEXIBLE FOAMS HAVING IMPROVED DEMOULDING TIME Final Rejection Huntsman International LLC
18019415 A REACTION MIXTURE FOR MANUFACTURING AN INORGANIC-FILLER BASED CLOSED-CELL RIGID POLYURETHANE OR POLYISOCYANURATE CONTAINING FOAM Non-Final OA Huntsman International LLC
18719978 RUBBER COMPOSITION COMPRISING A HIGHLY SATURATED DIENE ELASTOMER Non-Final OA COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
17774330 RUBBER COMPOSITION COMPRISING A SUITABLE FILLER AND A SUITABLE CROSSLINKING SYSTEM Non-Final OA COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
18696557 Polyolefin Film and Method for Manufacturing Polyolefin Film Non-Final OA Asahi Kasei Kabushiki Kaisha
18563985 VULCANIZED RUBBER COMPOSITION AND TIRE Final Rejection BRIDGESTONE CORPORATION
17792209 Non-Blocking Multilayer Elastic Composition Non-Final OA Kimberly-Clark Worldwide, Inc.
18268012 COMPOSITE RESIN COMPOSITION FOR GEOCELL OR CORALCELL Final Rejection HANWHA SOLUTIONS CORPORATION
18709975 FOAMED ARTICLE AND METHOD FOR PREPARING THE SAME Non-Final OA Evonik Operations GmbH
17414726 PRODUCTION OF RIGID POLYURETHANE FOAM Non-Final OA Evonik Operations GmbH
18554062 POLY(TETRAHYDROQUINAZOLINE) AND DERIVED CARBON AEROGELS Non-Final OA The Curators of the University of Missouri
17439107 METHOD FOR PRODUCING A COPOLYMER FOAM WITH POLYAMIDE BLOCKS AND POLYETHER BLOCKS Non-Final OA Arkema France
17049681 THERMOPLASTIC COMPOSITION COMPRISING A MICROWAVE-DEPOLYMERISATION SENSITISING COMPOUND Non-Final OA Arkema France
18628894 Acrylic Polyester Resin and An Aqueous Coating Composition Containing the Same Non-Final OA PPG Industries Ohio, Inc.
18577758 WATERBORNE COATING COMPOSITIONS BASED ON ACRYLIC GRAFTED UNSATURATED POLYESTERS CONTAINING DMPOA Non-Final OA Eastman Chemical Company
17631689 USE OF A COMPOSITION FOR THE MANUFACTURE OF A FOAMED ARTICLE Non-Final OA SABIC GLOBAL TECHNOLOGIES B.V.
18209737 CURABLE RESIN COMPOSITION, SEMICONDUCTOR ENCAPSULATION MATERIAL, ADHESIVE, ADHESIVE FILM, PREPREG, INTERLAYER INSULATING MATERIAL, AND PRINTED-WIRING BOARD Non-Final OA Shin-Etsu Chemical Co., Ltd.
18282062 COMPOSITION FOR PREPARING FOAM, METHODS ASSOCIATED THEREWITH, AND FOAM FORMED THEREFROM Non-Final OA DOW GLOBAL TECHNOLOGIES LLC
18546857 IMPROVED SILICON CONTAINING POLYISOCYANATE POLYADDITION (PIPA) POLYOL PRODUCTION AND POLYURETHANE FOAMS CONTAINING THE SAME Non-Final OA Dow Global Technologies LLC
18262622 HYDROCARBYL-MODIFIED METHYLALUMINOXANE COCATALYSTS FOR BISPHENYLPHENOXY METAL-LIGAND COMPLEXES Final Rejection Dow Global Technologies LLC
18251159 A HIGH ENERGY RETURN FOAM AND METHOD FOR PREPARING THE SAME Non-Final OA Dow Global Technologies LLC
18004124 PREPARATION OF LOW ODOR POLYURETHANE FOAMS Final Rejection Dow Global Technologies LLC

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