Prosecution Insights
Last updated: April 19, 2026

Examiner: LAWRENCE JR, FRANK M

Tech Center 1700 • Art Units: 1738 1775 1776 1797

This examiner grants 84% of resolved cases

Performance Statistics

83.8%
Allow Rate
+18.8% vs TC avg
1433
Total Applications
+19.8%
Interview Lift
932
Avg Prosecution Days
Based on 1399 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
30.3%
§102 Novelty
31.7%
§103 Obviousness
24.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18546191 VENTILATOR Non-Final OA Mitsubishi Electric Corporation
18293448 APPARATUS AND METHOD FOR SIMULTANEOUSLY TREATING DIFFERENT FLUCTUATING GAS FLOWS Non-Final OA EVONIK OPERATIONS GMBH
18191657 METHOD OF PACKAGING AND DESIGNING BRAGG GRATING OPTICAL FIBER SYSTEM FOR SENSING CARBON DIOXIDE Non-Final OA Baker Hughes Oilfield Operations LLC
18204099 FILTRATION IN A VAPOR DELIVERY SYSTEM Non-Final OA ENTEGRIS, INC.
18683646 HOLLOW FIBER MICROPOROUS MEMBRANE, AND GAS SEPARATION MEMBRANE MODULE WITH SAME BUILT THEREINTO Non-Final OA Toray Industries, Inc.
18411873 PROCESS AND APPARATUS FOR CAPTURE OF CO2 Non-Final OA L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges Claude
18424611 FILTER OIL FORMULATION Non-Final OA K&N Engineering, Inc.
18338493 SEPARATION MEMBRANE COMPLEX AND METHOD OF PRODUCING SEPARATION MEMBRANE COMPLEX Non-Final OA NGK INSULATORS, LTD.
18512247 SOLVENT-BASED CO2 CAPTURE PROCESS INCORPORATING A HEAT PUMP Non-Final OA UOP LLC
18294418 APPARATUS AND METHOD FOR SEPARATING FLUID MIXTURES Non-Final OA Messer SE & Co. KGaA
18501069 Adsorbent Material, Adsorption System, and Adsorption Process Non-Final OA Air Products and Chemicals, Inc.
18644755 ADSORBENT FOR HYDROCARBON RECOVERY Non-Final OA BASF Corporation
18425730 Air Filtration Housing Non-Final OA WAL Fuel Systems USA Inc.
18493651 Carbon Molecular Sieve Membrane and Methods Thereof Non-Final OA University of Maryland, College Park
18406408 INDOOR AIR CLEANING SYSTEM Non-Final OA Microjet Technology Co., Ltd.
18529532 AIR CONDITIONING SYSTEM WITH MULTIPLE ENERGY STORAGE SUB-SYSTEMS Final Rejection Transaera, Inc.
18423547 Component Separation from Gas Streams Non-Final OA Sustainable Energy Solutions, Inc.
18407863 CONTACTOR ASSEMBLY AND SORBENT CARTRIDGE HAVING SORBENT BED FOR CONTACTOR ASSEMBLY Non-Final OA Mosaic Materials, Inc.
18393671 FLUID REACTOR DEVICE AND METHOD FOR OPERATING A FLUID REACTOR DEVICE Non-Final OA Dürr Systems AB
18523114 Filter Cartridge Including U-Shaped Canted Inlet Frame; Filter System Including Same Non-Final OA Baldwin Filters, Inc.
18386870 GAS EXTRACTOR PROVIDING ACTIVE FLUID TRANSPORT AND CIRCULATION Non-Final OA Surface Logging Solutions, LLC
18277912 OXYGEN ENRICHMENT DEVICE, CONTROL METHOD AND CONTROL PROGRAM Final Rejection Teijin Pharma Limited
18277885 OXYGEN ENRICHMENT DEVICE, CONTROL METHOD AND CONTROL PROGRAM Final Rejection Teijin Pharma Limited
18264071 A SYSTEM FOR SEPARATING HYDROGEN FROM A FEED GAS Final Rejection INDIAN INSTITUTE OF SCIENCE
18259917 PROCESS FOR SYNTHESIZING ZWITTERIONIC BASES, ZWITTERIONIC BASES, PROCESS FOR CAPTURING CO2 AND USE Non-Final OA UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL - UFRGS

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