Prosecution Insights
Last updated: May 29, 2026

Examiner: SERGENT, RABON A

Tech Center 1700 • Art Units: 1765 1796

This examiner grants 54% of resolved cases

Performance Statistics

54.2%
Allow Rate
-10.8% vs TC avg
1,028
Total Applications
+24.7%
Interview Lift
1313
Avg Prosecution Days
Based on 976 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
8.7%
§102 Novelty
68.7%
§103 Obviousness
18.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18555434 PROCESS FOR PREPARATION OF A CARBODIIMIDE AND/OR A POLYCARBODIIMIDE Non-Final OA BASF SE
17996128 MIXED HYDROXYETHER COMPOUNDS, PROCESS FOR MAKING SUCH COMPOUNDS, AND THEIR USE Final Rejection BASF SE
18515948 GREEN SYNTHESIS OF AMINO ACID BASED POLY(ESTER UREA)S Non-Final OA Massachusetts Institute of Technology
18556147 POLYURETHANE, ROLLER COVERING AND PRODUCTION METHOD Non-Final OA Voith Patent GmbH
18372913 XANTHENE DERIVATIVE COMPOUND HAVING HIGH REFRACTIVE INDEX AND (CO)POLYMER COMPRISING SAME Non-Final OA RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
19080211 METHOD OF PREPARING POLYMER PARTICLES AND POLYMER PARTICLES PREPARED THEREBY Non-Final OA SHPP GLOBAL TECHNOLOGIES B.V.
16577826 Self-Lubricating Medical Articles Non-Final OA Becton, Dickinson and Company
18995535 RHEOLOGY MODIFIER FOR SEALANT OR ADHESIVE FORMULATIONS Non-Final OA Elementis Specialites, Inc.
18563973 AMINE HARDENER WITH HIGH CONTENT IN RENEWABLE CARBON Non-Final OA SIKA TECHNOLOGY AG
18287100 REDUCING THE CONCENTRATION OF MONOMERIC POLYISOCYANATES IN POLYURETHANE COMPOSITIONS Non-Final OA SIKA TECHNOLOGY AG
17414225 POLYURETHANE UREA WATER DISPERSION, MATTE COATING MATERIAL, AND SURFACE TREATMENT AGENT Non-Final OA DAINICHISEIKA COLOR & CHEMICALS MFG. CO., LTD.
17054936 POLYURETHANE RESIN, PAINT, STRUCTURE, AND ARTICLE Non-Final OA DAINICHISEIKA COLOR & CHEMICALS MFG CO., LTD.
18245448 WATER-DISPERSIBLE BLOCKED ISOCYANATE, FIBER-TREATING AGENT, WATER REPELLENT, COATING COMPOSITION, AND ADHESIVE Non-Final OA MITSUI CHEMICALS, INC.
18060356 ARTICLE AND METHOD OF MAKING Non-Final OA SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
18562951 METHODS FOR THE RAPID PRODUCTION OF BLOCKED PREPOLYMERS Non-Final OA CARBON, INC.
18276346 LIQUID 1,3-DIOXOLANE COPOLYMERS Non-Final OA WACKER CHEMIE AG
18236354 PROCESS FOR REMOVING CHLORINE FROM A PLASTIC MIXTURE Non-Final OA Anellotech, Inc.
18552433 OXETANE POLYMER, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF, AND ENERGY CURABLE COMPOSITION Non-Final OA CHANGZHOU TRONLY NEW ELECTRONIC MATERIALS CO., LTD.
17998435 A BINDER COMPOSITION Non-Final OA Huntsman International LLC
18457925 EXTRACTANT FOR ULTRA-HIGH MOLECULAR WEIGHT PE FIBERS AND MEMBRANES, AND METHODS OF PREPARING AND USING THE SAME Non-Final OA Zhejiang Lande Energy Technology Development Co., Ltd.
18273308 POLYURETHANE RESIN COMPOSITION, CURED PRODUCT, FIBER LAMINATE, AND ARTIFICIAL LEATHER Non-Final OA DKS Co. Ltd.
17771242 MANUFACTURE OF FIBER REINFORCED COMPOSITE MATERIALS WITH ISOCYANATE RESIN Non-Final OA TRIMER TECHNOLOGIES LLC
17396669 METHOD FOR PREPARING NOVEL NATURAL OIL BASED HIGH TEMPERATURE ISOCYANURATE CONTAINING POLYURETHANE THERMOSETTING RESINS Final Rejection MCPU Polymer Engineering, LLC

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