Prosecution Insights
Last updated: May 29, 2026

Examiner: BERNS, DANIEL J

Tech Center 1700 • Art Units: 1734 1736 1771 1793

This examiner grants 73% of resolved cases

Performance Statistics

73.0%
Allow Rate
+8.0% vs TC avg
834
Total Applications
+34.1%
Interview Lift
974
Avg Prosecution Days
Based on 815 resolved cases, 2023–2026

Rejection Statute Breakdown

6.3%
§101 Eligibility
16.5%
§102 Novelty
63.0%
§103 Obviousness
11.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18962767 ACTIVE CURING SYSTEMS AND METHODS FOR CONCRETE MANUFACTURING BY CARBON DIOXIDE SEQUESTRATION Final Rejection The Regents of the University of California
18603579 CATALYST PELLETS THAT INCLUDE POLYGONAL PRISMATIC BODIES, PACKED BED REACTORS INCLUDING THE SAME, AND METHODS FOR HYDROPROCESSING UTILIZING THE SAME Non-Final OA Saudi Arabian Oil Company
18146884 DIGLYCOLAMINE PROCESSING FOLLOWING ACID GAS REMOVAL FROM A GAS STREAM Non-Final OA SAUDI ARABIAN OIL COMPANY
18266861 PROCESS FOR PRODUCING SUPERABSORBENT PARTICLES Non-Final OA BASF SE
18361657 POLYMERIC MATERIALS FOR CARBON DIOXIDE CAPTURE Non-Final OA ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY
18664661 CARBON MINERAL SEQUESTRATION USING CARBONATABLE MINERALS, HYALOCLASTITE, LAVA, FLY ASH, BOTTOM ASH, SLAG, ZEOLITES AND METHOD OF MAKING AND USING SAME Non-Final OA Greencraft LLC
18304921 METHOD AND SYSTEM FOR PRE-PURIFICATION OF A FEED AIR STREAM Non-Final OA PRAXAIR TECHNOLOGY, INC.
18032614 EXHAUST GAS PURIFICATION CATALYST DEVICE Non-Final OA CATALER CORPORATION
18044598 AQUEOUS LIQUID SORBENT Non-Final OA COMPACT CARBON CAPTURE AS
18015175 A METHOD AND SYSTEM FOR THE REMOVAL OF CARBON DIOXIDE FROM SOLVENTS USING LOW-GRADE HEAT Non-Final OA CARBON CLEAN SOLUTIONS LIMITED

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