Prosecution Insights
Last updated: April 19, 2026

Examiner: ROELOFSE, CHRISTIAAN

Tech Center 1700 • Art Units: 1751 1762

This examiner grants 50% of resolved cases

Performance Statistics

50.0%
Allow Rate
-15.0% vs TC avg
44
Total Applications
+55.6%
Interview Lift
1047
Avg Prosecution Days
Based on 10 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
12.7%
§102 Novelty
53.3%
§103 Obviousness
21.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18274137 Rubber-Like Polymer, Method for Producing Rubber-Like Polymer, Rubber Composition, and Tire Tread Non-Final OA Asahi Kasei Kabushiki Kaisha
18023323 ISOPHTHALATE-BASED PLASTICIZER COMPOSITION AND RESIN COMPOSITION COMPRISING THE SAME Final Rejection LG CHEM, LTD.
18022980 ISOPHTHALATE-BASED PLASTICIZER COMPOSITION AND RESIN COMPOSITION COMPRISING THE SAME Final Rejection LG CHEM, LTD.
18056003 MODIFIED ETHYLENE-VINYL ALCOHOL RESIN, AND GAS BARRIER MATERIAL Final Rejection MITSUBISHI CHEMICAL CORPORATION
17786317 RUBBER COMPOSITION Non-Final OA COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
18997456 A METHOD FOR THE PREPARATION OF AN EPOXY RESIN COMPOSITION FOR THE PRE-IMPREGNATION OF MATERIALS Non-Final OA Alzchem Trostberg GmbH
18262306 RESIN COMPOSITION AND MOLDED BODY Non-Final OA SUMITOMO CHEMICAL COMPANY, LIMITED
18262030 A METHOD OF IMPROVING WATER WASHOUT RESISTANCE OF AN EXTERIOR COATING COMPOSITION AND EXTERIOR COATING COMPOSITIONS HAVING IMPROVED WATER WASHOUT RESISTANCE Non-Final OA Dow Global Technologies LLC
18162770 CORROSION RESISTANCE OF RUBBER-BASED ADHESIVES AND SEALANTS Non-Final OA Henkel AG & Co. KGaA
18332838 HIGH MOLECULAR WEIGHT POLYMERIC DISPERSIONS Non-Final OA Solenis Technologies, L.P.
18254808 POLYMER COMPOSITION, CROSS-LINKED PRODUCT, AND TIRE Non-Final OA ENEOS Materials Corporation
18023327 GEL ELECTROLYTE PRECURSOR AND APPLICATION THEREOF Non-Final OA SVolt Energy Technology Co., Ltd.
18263786 A METHOD OF ADDITIVE MANUFACTURE OF A THREE-DIMENSIONAL ARTICLE MADE OF A CURED MATERIAL AND A GEL LIKE SUPPORT FOR USE IN ADDITIVE MANUFACTURING Non-Final OA Elkem Silicones France SAS
18261166 INVERT EMULSION HAVING DOUBLE PARTICLE SIZE DISTRIBUTION, PREPARATION METHOD THEREFOR AND USE THEREOF Non-Final OA JIANGSU FEYMER TECHNOLOGY CO., LTD.
17927938 Water-based Lignin-Particle-Epoxy Surface Coatings, Thermosets and Adhesives Non-Final OA Aalto University Foundation sr
18332850 HIGH MOLECULAR WEIGHT POLYMERIC DISPERSIONS WITH METAL SCAVENGER Non-Final OA SOLENIS TECHNOLOGIES CAYMAN, L.P.
17831728 THERMOPLASTIC COMPOSITE MATERIALS Final Rejection BarrFlexTU, LLC

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