Prosecution Insights
Last updated: August 18, 2026

Examiner: LENIHAN, JEFFREY S

Tech Center 1700 • Art Units: 1743 1762 1763 1765 1796

This examiner grants 73% of resolved cases

Performance Statistics

73.3%
Allow Rate
+8.3% vs TC avg
971
Total Applications
+16.7%
Interview Lift
1076
Avg Prosecution Days
Based on 924 resolved cases, 2023–2026

Rejection Statute Breakdown

1.1%
§101 Eligibility
13.9%
§102 Novelty
44.6%
§103 Obviousness
29.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17632721 RESIN COMPOSITION, PREPREG, RESIN-EQUIPPED FILM, RESIN-EQUIPPED METAL FOIL, METAL-CLADDED LAYERED SHEET, AND WIRING BOARD Non-Final OA PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
18456091 SURFACE TREATMENT AGENT Non-Final OA DAIKIN INDUSTRIES, LTD.
18293960 ACYLHYDRAZONE BOND-CONTAINING AMPHIPHOBIC POLYMER AND PREPARATION METHOD OF NANO AMPHIPHOBIC REVERSAL AGENT Non-Final OA CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
17788891 STYRENE COPOLYMER, THERMOPLASTIC RESIN COMPOSITION, AND METHOD OF PREPARING STYRENE COPOLYMER AND THERMOPLASTIC RESIN COMPOSITION Non-Final OA LG CHEM, LTD.
17921516 OXIDIZED POLYISOBUTENE COMPOUNDS AND METHODS OF MAKING THE SAME Final Rejection The Regents Of The University Of California
18121794 RESIN COMPOSITION TO BE CROSS-LINKED AND FOAMED Non-Final OA MIZUNO CORPORATION
17923146 DIBLOCK COPOLYMER, METHOD FOR PRODUCING DIBLOCK COPOLYMER, AND USE OF DIBLOCK COPOLYMER Non-Final OA Shin-Etsu Chemical Co., Ltd.
18565783 LATENT-FLUORIDE CONTAINING POLYMERS FOR TRIGGERED DEGRADATION Non-Final OA Massachusetts Institute of Technology
17913414 Hydrogenated Conjugated Diene-Based Polymer, Hydrogenated Conjugated Diene-Based Polymer Composition, Rubber Composition, and Method for Producing Hydrogenated Conjugated Diene-Based Polymer Non-Final OA Asahi Kasei Kabushiki Kaisha
18150468 COMPOSITION COMPRISING STYRENE ISOBUTYLENE BLOCK COPOLYMER AND ETHYLENICALLY UNSATURATED MONOMER Non-Final OA 3M INNOVATIVE PROPERTIES COMPANY
17621173 POLYMERS FOR PRESSURE-SENSITIVE ADHESIVES WITH ANTISTATIC PROPERTIES Final Rejection 3M INNOVATIVE PROPERTIES COMPANY
18564035 HYDROGENATED POLYETHER-MODIFIED AMINO-FUNCTIONAL POLYBUTADIENES AND PROCESSES FOR PREPARATION THEREOF Non-Final OA Evonik Operations GmbH
18374183 RUBBER COMPOSITION FOR TIRE TREAD AND TIRE Final Rejection Toyo Tire Corporation
18531043 CROSSLINKED FLUORORESIN, CROSSLINKED FLUORORESIN PRODUCING METHOD, MOLDED BODY, AND MOLDED BODY MANUFACTURING METHOD Non-Final OA Proterial, Ltd.
17612139 POLYAMIDE-BASED RESIN COMPOSITION FOR INJECTION MOLDING AND SLIDING COMPONENT FORMED THEREFROM Final Rejection TOYOBO CO., LTD.
18556247 OLEFIN-BASED POLYMER COMPOSITIONS WITH IMPROVED CURE Non-Final OA Dow Global Technologies LLC
18252250 PREPARATION OF NON-POLAR-POLAR BLOCK COPOLYMERS VIA VINYL-TERMINATED POLYOLEFINS Non-Final OA Dow Global Technologies LLC
18288235 DENTAL FILLING KIT Non-Final OA Kuraray Noritake Dental Inc.
18269806 CURABLE COMPOSITION FOR DENTAL RESTORATION Non-Final OA Kuraray Noritake Dental Inc.
17627142 COPOLYMERS WITH HARD POLYAMIDE BLOCKS AND SOFT BLOCKS COMPRISING POLYETHYLENE GLYCOL Final Rejection Arkema France
18558920 BLOCK COPOLYMERS DERIVED FROM SHORT AND LONG ALKYL CHAIN ACRYLATES OR ACRYLAMIDES AND APPLICATIONS THEREOF Non-Final OA ISP Investments LLC
18027475 RESIN COMPOSITION Final Rejection ZEON CORPORATION

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month