Prosecution Insights
Last updated: April 19, 2026

Examiner: CONTRERAS, CIEL P

Tech Center 1700 • Art Units: 1723 1754 1794

This examiner grants 54% of resolved cases

Performance Statistics

54.0%
Allow Rate
-11.0% vs TC avg
809
Total Applications
+33.3%
Interview Lift
1117
Avg Prosecution Days
Based on 742 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
19.5%
§102 Novelty
41.2%
§103 Obviousness
31.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17801182 IMPURITY PROCESSING DEVICE AND IMPURITY PROCESSING METHOD Final Rejection Panasonic Intellectual Property Management Co., Ltd.
19275604 METHODS AND APPARATUS FOR EXTRACTING METALS FROM MATERIALS Non-Final OA SiTration, Inc.
19235243 METHODS AND APPARATUS FOR EXTRACTING METALS FROM MATERIALS Non-Final OA SiTration, Inc.
18144727 SYSTEMS AND METHODS FOR HYDROGEN AND AMMONIA PRODUCTION Non-Final OA Ohmium International, Inc.
18076757 WATER SUPPLY OXYGENATION SYSTEMS AND METHODS Non-Final OA Ohmium International, Inc.
18134827 ELECTROLYSIS CELL HAVING A POROUS TRANSPORT ELECTRODE WITH INFILTRATED IONOMER Non-Final OA Robert Bosch GmbH
18134835 ELECTROLYSIS CELL HAVING ELECTRODE LOCALIZED CONTACTING REGIONS Non-Final OA Robert Bosch GmbH
18134842 ELECTROLYSIS CELL HAVING LOCALIZED ELECTRONIC CONTACT POROUS TRANSPORT LAYER Non-Final OA Robert Bosch GmbH
17754046 METHOD AND DEVICE FOR ELECTROCHEMICAL HYDROGEN COMPRESSION Non-Final OA Robert Bosch GmbH
19053044 APPARATUS AND METHOD FOR PRODUCTION OF FORMATE FROM CARBON DIOXIDE Non-Final OA University of Kentucky Research Foundation
17619473 CO2 REDUCTION INTO SYNGAS Final Rejection The Regents of the University of Michigan
18173078 CARBON DIOXIDE TREATMENT APPRATUS, CARBON DIOXIDE TREATMENT METHOD, AND METHOD OF PRODUCING ETHYLENE Non-Final OA HONDA MOTOR CO., LTD.
17709130 CATALYST COMPOSITIONS, PROCESSES FOR FORMING THE CATALYST COMPOSITIONS, AND USES THEREOF Non-Final OA Honda Motor Co., Ltd.
18306375 METHOD FOR CONTROLLING METAL DISSOLUTION USING AN ELECTRICAL CURRENT Non-Final OA BATTELLE SAVANNAH RIVER ALLIANCE, LLC
17599060 METAL ION RECOVERY DEVICE, METAL RECOVERY SYSTEM, AND METAL ION RECOVERY METHOD Final Rejection National Institutes for Quantum Science and Technology
18250265 Carbon Dioxide Reduction Device Non-Final OA Nippon Telegraph and Telephone Corporation
17921930 BLENDED CONTACT FINGERS FOR PREVENTING CRACKS DURING THIN SUBSTRATE HANDLING Non-Final OA LAM RESEARCH CORPORATION
18039628 ELECTRODEIONIZATION DEVICE AND METHOD FOR PRODUCING DEIONIZED WATER Non-Final OA ORGANO CORPORATION
18107715 METHOD FOR ELECTROCHEMICAL GRAPHITIZATION OF CARBON FIBER Final Rejection UT-Battelle, LLC
18679249 POROUS TRANSPORT LAYER FOR CARBON DIOXIDE ELECTROLYZERS Non-Final OA Twelve Benefit Corporation
18499074 CO2 ELECTROLYSIS PLANT Final Rejection Twelve Benefit Corporation
18850387 ELECTROCHEMICAL REACTOR AND PROCESSES USING THE ELECTROCHEMICAL REACTOR Non-Final OA RESEARCH CENTER PHARMACEUTICAL ENGINEERING GMBH
17798651 SYSTEMS AND METHODS FOR ENERGY EFFICIENT ELECTROLYSIS CELLS Final Rejection University of Rochester
17925918 ELECTROCHEMICAL SYNTHESIS OF METAL SUPERHYDRIDES Non-Final OA Carnegie Mellon University
17717899 ELECTRODES COMPRISING LIQUID/GAS DIFFUSION LAYERS AND SYSTEMS AND METHODS FOR MAKING AND USING THE SAME Non-Final OA University of Tennessee Research Foundation
18649154 METAL ENHANCED TRANSITION METAL OXIDE ELECTROCATALYSTS FOR REDUCTION OF CO2 Non-Final OA The Trustees of Princeton University
17898420 MICROBIAL ELECTROCHEMICAL LIGNIN AND ALKALINE HYDROXIDE RECOVERY FROM DEACETYLATION AND MECHANICAL REFINING OF BLACK LIQUOR Final Rejection THE TRUSTEES OF PRINCETON UNIVERSITY
18167979 ELECTROLYTIC ELUENT GENERATORS Non-Final OA DIONEX CORPORATION
17859462 METHOD FOR PRODUCING FLUORINE-CONTAINING ORGANIC COMPOUND Final Rejection TOKYO INSTITUTE OF TECHNOLOGY
18567238 SYSTEM FOR ELECTROCATALYTIC CONVERSION OF CARBON OXIDES TO MULTICARBON PRODUCTS USING A STATIONARY CATHOLYTE LAYER AND RELATED PROCESS Non-Final OA THE GOVERNING COUNCIL OF THE UNIVERSITY OF TORONTO

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