Prosecution Insights
Last updated: April 19, 2026

Examiner: ZALASKY MCDONALD, KATHERINE MARIE

Tech Center 6200 • Art Units: 1600 1777 1797 6221

This examiner grants 51% of resolved cases

Performance Statistics

51.2%
Allow Rate
-8.8% vs TC avg
609
Total Applications
+30.5%
Interview Lift
1388
Avg Prosecution Days
Based on 604 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
19.2%
§102 Novelty
48.1%
§103 Obviousness
22.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18282915 IMPROVED METHOD OF CARBONYLATING AN EPOXIDE Non-Final OA Novomer, Inc.
18482696 PRODUCTION METHOD FOR SOLID CATALYST COMPONENT FOR POLYMERIZING OLEFINS, AND CATALYST FOR POLYMERIZAING OLEFINS Non-Final OA Formosa Plastics Corporation, U.S.A.
18373246 A kind of supported Ru and/or Ni catalyst and preparation method thereof Non-Final OA FZU Zijin Hydrogen Power Technology Co., Ltd.
18468507 Cat Litter Containing a Fluorescent Cat Attractant Non-Final OA Boxiecat LLC

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