Prosecution Insights
Last updated: August 18, 2026

Examiner: MCCAIG, BRIAN A

Tech Center 4100 • Art Units: 1772 1774 1797 4100

This examiner grants 80% of resolved cases

Performance Statistics

80.4%
Allow Rate
+20.4% vs TC avg
1,360
Total Applications
+13.4%
Interview Lift
873
Avg Prosecution Days
Based on 1349 resolved cases, 2023–2026

Rejection Statute Breakdown

2.5%
§101 Eligibility
15.7%
§102 Novelty
43.1%
§103 Obviousness
31.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18682813 ABSORBENT COMPOUNDS FOR CAPTURING CARBON DIOXIDE Non-Final OA The Regents of the University of California
18432264 SURFACE MODIFICATION OF MESOPOROUS ZEOLITE Y WITHOUT PORE BLOCKAGE Non-Final OA The Regents of the University of California
18535607 IN-SITU PROTON FILTER CATALYSTS FOR ELECTROCHEMICAL AMMONIA PRODUCTION Non-Final OA Khalifa University of Science and Technology
18290917 CATALYST FOR MAKING DICARBOXYL ACID AROMATIC HETEROCYCLIC COMPOUND, AND METHOD FOR PREPARING DICARBOXYL ACID AROMATIC HETEROCYCLIC COMPOUND Non-Final OA KOLON INDUSTRIES, INC.

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