Prosecution Insights
Last updated: August 18, 2026

Examiner: YAMASAKI, ROBERT J

Tech Center 1700 • Art Units: 1621 1657 1759

This examiner grants 67% of resolved cases

Performance Statistics

67.4%
Allow Rate
+2.4% vs TC avg
588
Total Applications
+43.3%
Interview Lift
1186
Avg Prosecution Days
Based on 558 resolved cases, 2023–2026

Rejection Statute Breakdown

2.8%
§101 Eligibility
10.5%
§102 Novelty
38.0%
§103 Obviousness
31.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18722445 A METHOD FOR REDUCING AMMONIA EMISSION OF ANIMALS Non-Final OA DSM IP ASSETS B.V.
18288728 NOVEL PROTEIN HAVING METHANE OR BUTANE OXIDATION ACTIVITY Final Rejection KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
18573358 LACCASE Non-Final OA AMANO ENZYME INC.
17658009 GENERATION OF CELL-BASED PRODUCTS FOR CONSUMPTION THAT COMPRISE PROTEINS FROM EXOTIC, ENDANGERED, AND EXTINCT SPECIES Final Rejection The Upside Group Inc.

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