Prosecution Insights
Last updated: April 19, 2026

Examiner: RIOJA, MELISSA A

Tech Center 1700 • Art Units: 1764 1767 1768 1796

This examiner grants 50% of resolved cases

Performance Statistics

49.7%
Allow Rate
-15.3% vs TC avg
921
Total Applications
+54.8%
Interview Lift
1238
Avg Prosecution Days
Based on 847 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
14.2%
§102 Novelty
42.2%
§103 Obviousness
31.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18251943 POLYURETHANES WITH REDUCED ALDEHYDE EMISSION Non-Final OA BASF SE
18032888 POLYMERIZING COMPOSITION, METHOD OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME Non-Final OA BASF SE
18013273 POLYURETHANE FOAMS WITH IMPROVED ACOUSTIC PROPERTIES Final Rejection BASF SE
18003102 Polyisocyanurate Resin Foam Having High Compressive Strength, Low Thermal Conductivity, and High Surface Quality Non-Final OA BASF SE
17905007 Non-primary hydroxyl group based foams Non-Final OA BASF SE
17616216 A REACTIVE COMPOSITION FOR POLYURETHANE FOAM AND USE THEREOF IN AUTOMOBILE PARTS Non-Final OA BASF SE
17045401 FOAMS BASED ON THERMOPLASTIC ELASTOMERS Final Rejection BASF SE
18510438 METHOD FOR PRODUCING RESIN FOAM PRODUCT, RESIN FOAM PRODUCT, AND SHOE INCLUDING RESIN FOAM PRODUCT Non-Final OA ASICS CORPORATION
19273487 AMINE COMPOSITION USEFUL FOR MAKING STABLE POLYURETHANE FOAM SYSTEMS Final Rejection EVONIK OPERATIONS GMBH
18024141 Polyurethane Foam Composition and Polyurethane Foam Comprising Cured Product Thereof Final Rejection LG Chem, Ltd.
18018162 METHOD FOR PREPARING SUPER ABSORBENT POLYMER Final Rejection LG CHEM, LTD.
18255435 POLYOL PREMIXES, THERMALLY INSULATING RIGID POLYURETHANE FOAMS AND METHODS FOR THEIR PRODUCTION Non-Final OA Covestro LLC
17670727 ISOPROPYLIDENEDIPHENOL-BASED POLYETHER POLYOLS, PROCESSES FOR THEIR PRODUCTION, AND FOAMS PRODUCED THEREFROM Non-Final OA Covestro LLC
18284596 COMPOSITE MATERIAL AND METHOD FOR MANUFACTURING COMPOSITE MATERIAL Non-Final OA NITTO DENKO CORPORATION
18274188 HOLLOW MICROBALLOON Non-Final OA TOKUYAMA CORPORATION
18258492 COMPOSITION AND SHEET CONTAINING CURED PRODUCT OF SAME Non-Final OA Resonac Corporation
18250388 Use of Raw Gel in Formulations on the Basis of Polyurethane Dispersions Non-Final OA COVESTRO DEUTSCHLAND AG
18029248 FOAM SHEET Final Rejection SEKISUI CHEMICAL CO., LTD.
17279321 POLYOLEFIN RESIN FOAM SHEET Non-Final OA SEKISUI CHEMICAL CO., LTD.
17688527 BIO-BASED EVA COMPOSITIONS AND ARTICLES AND METHODS THEREOF Final Rejection Braskem S.A.
17912877 INSULATION DEVICE, DOMESTIC APPLIANCE, AND METHOD Non-Final OA BSH Hausgeräte GmbH
17912876 DOMESTIC APPLIANCE Non-Final OA BSH Hausgeräte GmbH
18026712 POLYURETHANE BASED POLYMER CONCRETES AND GROUTING MORTARS OF CONTROLLED DENSITY Final Rejection SIKA TECHNOLOGY AG
18264529 POLYESTER POLYOL, URETHANE PREPOLYMER AND POLYURETHANE Non-Final OA KURARAY CO., LTD.
18039795 ISOCYANATE-REACTIVE COMPONENT, COMPOSITION COMPRISING SAME, AND FOAM FORMED THEREWITH Non-Final OA DOW GLOBAL TECHNOLOGIES LLC
18034562 FOAMS COMPRISING BLENDS OF SILICONE FUNCTIONALIZED POLYETHYLENE AND LOW DENSITY POLYETHYLENE Non-Final OA Dow Global Technologies LLC
18013046 POLYURETHANES WITH REDUCED COBALT EXTRACTABLES Final Rejection Dow Global Technologies LLC
17996141 ISOCYANATE-REACTIVE COMPOSITION AND METHOD OF PREPARING POLYURETHANE AND POLYISOCYANURATE FOAMS Final Rejection Dow Global Technologies LLC
17907910 PROCESS FOR REDUCING ALDEHYDE EMISSIONS IN POLYETHER POLYOLS AND POLYURETHANE FOAMS Non-Final OA Dow Global Technologies LLC
17787392 MACROMER AND PROCESS FOR MAKING POLYMER POLYOLS Final Rejection Dow Global Technologies LLC

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