Prosecution Insights
Last updated: May 29, 2026

Examiner: HENDRICKSON, STUART L

Tech Center 1700 • Art Units: 1736 1793

This examiner grants 72% of resolved cases

Performance Statistics

72.3%
Allow Rate
+7.3% vs TC avg
1,017
Total Applications
+8.0%
Interview Lift
1137
Avg Prosecution Days
Based on 979 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
0.7%
§102 Novelty
79.8%
§103 Obviousness
8.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18061911 REDUCED GRAPHENE OXIDE SCREEN Non-Final OA 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
17673998 CARBON-NEGATIVE METALLURGICAL PRODUCTS Non-Final OA Carbon Technology Holdings, LLC
18019560 GAS PRODUCTION DEVICE, GAS PRODUCTION SYSTEM, AND GAS PRODUCTION METHOD Non-Final OA SEKISUI CHEMICAL CO., LTD.
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.
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 Final Rejection Denka Company Limited
18255378 METHOD FOR PREPARING POROUS CARBON STRUCTURE HAVING INCREASED SURFACE AREA AND TOTAL PORE VOLUME, AND POROUS CARBON STRUCTURE PREPARED USING SAME Non-Final OA KOLON INDUSTRIES, INC.
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.
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
18034366 Complex Materials Final Rejection Weir Minerals Australia Ltd.
17775811 MOLECULAR SIEVE ACTIVATED CARBON Non-Final OA OSAKA GAS CHEMICALS CO., LTD.
18069589 CARBON-BASED NANOMATERIAL COMPOSITION AND METHODS OF FORMING THE SAME FROM A GAS MIXTURE THAT INCLUDES ACETYLENE AND METHANE GAS Non-Final OA NABORS ENERGY TRANSITION SOLUTIONS LLC
18069558 CARBON-BASED NANOMATERIAL COMPOSITION AND METHOD OF FORMING THE SAME FROM A GAS MIXTURE THAT INCLUDES ACETYLENE GAS AND METHANE GAS Non-Final OA 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
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
18012435 ENERGY STORAGE DEVICES, COMPONENTS AND MATERIALS THEREFOR, AND METHODS THEREFOR Non-Final OA ATLAS POWER GENERATION INC.
17621953 A PROCESS FOR PRODUCING CARBON BLACK AND RELATED FURNACE REACTOR Non-Final OA ORION ENGINEERED CARBONS GMBH

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