Prosecution Insights
Last updated: April 19, 2026

Examiner: PREGLER, SHARON

Tech Center 1700 • Art Units: 1772 1797

This examiner grants 78% of resolved cases

Performance Statistics

78.2%
Allow Rate
+13.2% vs TC avg
899
Total Applications
+20.8%
Interview Lift
952
Avg Prosecution Days
Based on 875 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
18.8%
§102 Novelty
47.9%
§103 Obviousness
22.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18243931 REGENERATIVE CATALYTIC APPARAUS FOR PFCs AND HEAT STORAGE BODIES Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18562465 SORBENT ARTICLE WITH SELECTIVE BARRIER LAYER Non-Final OA W. L. Gore & Associates, Inc.
18539870 HUMIDIFIER Non-Final OA LG ELECTRONICS INC.
18466485 SLIDE INSTALL RESPIRATOR CARTRIDGES AND RESPIRATORS Non-Final OA HONEYWELL SAFETY PRODUCTS USA, INC.
18292208 SPIRAL MEMBRANE ELEMENT AND MEMBRANE SEPARATION SYSTEM Non-Final OA NITTO DENKO CORPORATION
18128204 Beta-Amino Carboxylate (BAC) Solvents for Enhanced CO2 Separations Non-Final OA BATTELLE MEMORIAL INSTITUTE
18221403 ELECTROSTATIC BINNING PRECIPITATOR Non-Final OA Lyten, Inc.
18582184 RADIAL FLOW REACTOR FOR AN ETHANOL DEHYDRATION PROCESS Non-Final OA UOP LLC
18443513 STEAM INTEGRATION IN ETHANOL TO JET FUEL PROCESS Final Rejection UOP LLC
18536631 INTEGRATED HYDROGEN PRODUCTION AND CARBON DIOXIDE RECOVERY PROCESS Non-Final OA UOP LLC
18086490 LOW EMISSIONS, HIGH WORKING CAPACITY ADSORBENT AND CANISTER SYSTEM Non-Final OA INGEVITY SOUTH CAROLINA, LLC
18139865 AIR FILTRATION MONITORING SYSTEM Non-Final OA Donaldson Company, Inc.
18434389 METHODS AND SYSTEMS FOR CONTROLLING EMISSIONS FROM WOOD DRYING PROCESSES Non-Final OA BAKELITE CHEMICALS LLC
18297806 SYSTEM AND METHOD FOR CARBON DIOXIDE CAPTURE/STORAGE FROM ENGINE EXHAUST Non-Final OA Valero Services, Inc.
17918272 FILTER MATERIAL AND PERSONAL PROTECTIVE MEANS BASED THEREON Non-Final OA ELECTROPHOR, INC.
17859121 Modular Adsorbent Devices and Applications Final Rejection Decarbontek LLC
17781242 GAS TREATMENT SYSTEM, GAS TREATMENT METHOD AND CONTROL DEVICE Final Rejection SyncMOF Inc.

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