Prosecution Insights
Last updated: April 19, 2026

Examiner: HENDRICKSON, STUART L

Tech Center 1700 • Art Units: 1736 1793

This examiner grants 72% of resolved cases

Performance Statistics

72.1%
Allow Rate
+7.1% vs TC avg
1011
Total Applications
+8.2%
Interview Lift
1180
Avg Prosecution Days
Based on 969 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
1.4%
§102 Novelty
65.9%
§103 Obviousness
8.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18061911 REDUCED GRAPHENE OXIDE SCREEN Final Rejection SAUDI ARABIAN OIL COMPANY
17797736 PROCESS AND REACTOR FOR PRODUCING PHOSGENE Non-Final OA BASF SE
19278455 Hybrid Partial Oxidation and Reverse Water Gas Shift Based Carbon Monoxide Production System Non-Final OA Dioxycle
18590404 METHOD FOR PRODUCING Na CONTAINING OXIDE, AND Na CONTAINING OXIDE Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18666511 CARBON SORBENT FORMULATIONS FOR CARBON DIOXIDE ADSORPTION, AND RELATED METHODS Final Rejection TDA Research, Inc.
17938304 CARBON BLACK COMBUSTIBLE GAS SEPARATION Non-Final OA Monolith Materials, Inc.
18230848 ANTIBIOLOGICAL SORBENT AND METHOD OF MANUFACTURE THEREOF Non-Final OA Molekule Group, Inc.
17915372 INFUSIBILIZED POLYPHENYLENE ETHER FIBER, INFUSIBILIZED POLYPHENYLENE ETHER FORMED BODY, CARBON FIBER, ACTIVATED CARBON FIBER, CARBON FIBER FORMED BODY, ACTIVATED CARBON FIBER FORMED BODY, AND METHOD FOR MANUFACTURING SAME Non-Final OA TOYOBO CO., LTD.
18204448 USE OF THERMALLY CO2- AND/OR H2O-TREATED SOOT PARTICLES FOR SEPARATING POLYHALOGENATED COMPOUNDS Final Rejection Karlsruher Institut für Technologie
18262507 CARBON BLACK, CARBON BLACK PRODUCTION METHOD, COMPOSITION FOR ELECTRODE, ELECTRODE, AND SECONDARY BATTERY Non-Final OA Denka Company Limited
16772969 TAILORED POROSITY MATERIALS AND METHODS OF MAKING AND USING SAME Non-Final OA IMMUTRIX THERAPEUTICS, INC.
18531700 LAYERED MULTI-METAL-OXIDE-BASED MAGNETIC BIOCHAR AND PREPARATION METHOD AND USE THEREOF Final Rejection Institute of Environment and Sustainable Development in Agriculture, Chinese Academy
18510764 Production of crystalline carbon structure networks Final Rejection CarbonX IP 3 B.V.
17673998 CARBON-NEGATIVE METALLURGICAL PRODUCTS Non-Final OA Carbon Technology Holdings, LLC
18283770 A METHOD OF FORMING A GRAPHENE LAYER STRUCTURE AND A GRAPHENE SUBSTRATE Non-Final OA Paragraf Limited
18468324 EFFICIENT REMOVAL AND STORAGE OF CARBON DIOXIDE Non-Final OA Carba Inc.
18368670 PROCESS TO CONTINUOUSLY PREPARE A CHAR PRODUCT Non-Final OA TORRGAS TECHNOLOGY B.V.
18331974 Synthesis of porous carbon-based materials from expanded polystyrene Final Rejection Eco Carbon LLC
18039193 CONTROLLED PRODUCTION OF HYDROGEN AND CARBON BLACK Non-Final OA CORIOLIS TECHNOLOGY PARTNERS LLC
17914560 MANUFACTURING OF CARBON-CONTAINING PARTICLES Non-Final OA SGL CARBON SE
18034366 Complex Materials Final Rejection Weir Minerals Australia Ltd.
17775811 MOLECULAR SIEVE ACTIVATED CARBON Non-Final OA OSAKA GAS CHEMICALS CO., LTD.
18069517 CARBON-BASED NANOMATERIAL COMPOSITION AND METHODS OF FORMING THE SAME FROM A GAS MIXTURE THAT INCLUDES HYDROGEN GAS AND OXYGEN GAS Final Rejection NABORS ENERGY TRANSITION SOLUTIONS LLC
18069532 CARBON-BASED NANOMATERIAL COMPOSITION AND METHODS OF FORMING THE SAME FROM A GAS MIXTURE THAT INCLUDES ACETYLENE GAS Final Rejection NABORS ENERGY TRANSITION SOLUTIONS LLC
18012435 ENERGY STORAGE DEVICES, COMPONENTS AND MATERIALS THEREFOR, AND METHODS THEREFOR Non-Final OA ATLAS POWER GENERATION INC.
17829687 METHODS AND SYSTEMS FOR FORMING VATERITE FROM CALCINED LIMESTONE USING ELECTRIC KILN Non-Final OA Arelac, Inc.
17559892 SORBENT COMPOSITIONS HAVING AMORPHOUS HALOGEN SPECIES FOR THE SEQUESTRATION OF CONTAMINANTS Final Rejection ADA Carbon Solutions, LLC
17621953 A PROCESS FOR PRODUCING CARBON BLACK AND RELATED FURNACE REACTOR Non-Final OA ORION ENGINEERED CARBONS GMBH

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