Prosecution Insights
Last updated: April 19, 2026

Examiner: DU, SURBHI M

Tech Center 1700 • Art Units: 1732 1765

This examiner grants 69% of resolved cases

Performance Statistics

69.4%
Allow Rate
+4.4% vs TC avg
147
Total Applications
+29.4%
Interview Lift
1190
Avg Prosecution Days
Based on 108 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
16.9%
§102 Novelty
57.9%
§103 Obviousness
17.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17970260 HYDROXYL-FUNCTIONALIZED CARDO-BASED POLYIMIDE MEMBRANES Non-Final OA Saudi Arabian Oil Company
17800265 ALKOXYLATED POLYALKYLENE IMINES OR ALKOXYLATED POLYAMINES WITH IMPROVED BIODEGRADABILITY Non-Final OA BASF SE
18041231 PROPYLENE RESIN COMPOSITION Non-Final OA IDEMITSU KOSAN CO.,LTD.
18017021 Thermoplastic Resin Composition Final Rejection LG Chem, Ltd.
17639662 Acrylate-Based Emulsion Pressure-Sensitive Adhesive Composition Final Rejection LG Chem, Ltd.
18456592 MELTABLE FLUORORESIN PRIMER Non-Final OA DAIKIN INDUSTRIES, LTD.
17894430 RUBBER COMPOSITION AND CROSSLINKED RUBBER MOLDED PRODUCT Non-Final OA Sumitomo Rubber Industries, Ltd.
17919146 Polyester Carbonates on the Basis of Cycloaliphatic Diacids, 1,4:3,6-Dianhydrohexitol and Specific Amounts of an Additional Aliphatic Dihydroxy Compound Final Rejection Covestro Deutschland AG
18068957 ELECTROCHROMIC COMPOSITION, ELECTROCHROMIC LAYER AND ELECTROCHROMIC DEVICE Final Rejection INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
18212820 Polyamideimide Film and Optical Multilayer Structure Comprising the Same Non-Final OA SK ie technology Co., Ltd.
17954502 LIQUID CRYSTAL POLYESTER FIBERS AND METHOD FOR PRODUCING SAME Final Rejection KURARAY CO., LTD.
17789303 Thermoplastic Resin Composition and Molded Product Produced Therefrom Non-Final OA LOTTE CHEMICAL CORPORATION
18216649 METHOD FOR MANUFACTURING POLYESTER FILM FOR EMBOSSING Non-Final OA NAN YA PLASTICS CORPORATION
18030323 POLYAMIDE COMPOSITION Non-Final OA BOSTIK SA
17626391 ONE-PACK POLYURETHANE DISPERSIONS, THEIR MANUFACTURE AND USE Non-Final OA BASF Coatings GmbH
18800424 METHODS OF CURING COMPOSITIONS BASED ON MULTISTAGE POLYMERS Non-Final OA Arkema France
17917111 POLYURETHANES FROM DEPOLYMERIZED LIGNIN CONTAINING LIGNIN MONOMERS Final Rejection VITO NV
18010898 THERMOPLASTIC RESIN AND OPTICAL MEMBER CONTAINING SAME Non-Final OA TEIJIN LIMITED
18247896 POLYESTER POLYOL COMPOSITIONS FOR METAL PACKAGING COATINGS Non-Final OA Eastman Chemical Company
17620787 Bifuran copolyesters and a method for preparation thereof Non-Final OA OULUN YLIOPISTO
18246085 POLYESTER INCLUDING COMPONENT FROM BIOMASS AND METHOD FOR PREPARING THE SAME Non-Final OA KOLON INDUSTRIES, INC.
18520929 Reactor for Treating Polystyrene Material Final Rejection GreenMantra Recycling Technologies Ltd.
18546109 PLASTOMERS WITH RAPID CRYSTALLIZATION RATES Non-Final OA NOVA Chemicals (International) S.A.
18258791 FORMULA OF ANTI-CORROSION AND ANTI-ULTRAVIOLET MATERIAL Non-Final OA CREATIVE MOTOR TECHNOLOGY (DONGGUAN) CO., LTD.
18257695 CHEMICAL ADDITIVES AND THEIR USE THEREOF FOR MODIFYING MECHANICAL PROPERTIES OF PVC AND PREVENTING THE FORMATION OF SURFACE DEFECTS DURING PVC CALENDERING Non-Final OA THE ROYAL INSTITUTION FOR THE ADVANCEMENT OF LEARNING / MCGILL UNIVERSITY
18320208 BIODEGRADABLE POLYESTER RESIN COMPOSITION, BIODEGRADABLE POLYESTER FILM INCLUDING THE SAME AND BIODEGRADABLE MOLDED ARTICLE INCLUDING BIODEGRADABLE POLYESTER RESIN COMPOSITION Non-Final OA SK leaveo Co., Ltd.
17921016 POLYMER WITH CATIONIC AND HYDROPHOBIC SIDE CHAINS Non-Final OA GeneEdit, Inc.
17799162 CHLOROSULFONATED POLYPROPYLENE CARBONATE, AND PRODUCTION METHOD AND USE THEREOF Final Rejection Changchun Institute of Applied Chemistry Chinese Academy of Sciences

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