Prosecution Insights
Last updated: August 18, 2026

Examiner: SHIAO, REI TSANG

Tech Center 4100 • Art Units: 1614 1626 1628 1629 1642 1691 4100

This examiner grants 80% of resolved cases

Performance Statistics

79.8%
Allow Rate
+19.8% vs TC avg
2,082
Total Applications
-33.7%
Interview Lift
760
Avg Prosecution Days
Based on 2059 resolved cases, 2023–2026

Rejection Statute Breakdown

2.0%
§101 Eligibility
8.8%
§102 Novelty
29.2%
§103 Obviousness
30.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18572741 Degrader Compounds and Uses Thereof Non-Final OA ABBVIE INC.
18523284 HETEROARYL PYRIDONE AND AZA-PYRIDONE COMPOUNDS Non-Final OA Genentech, Inc.
18569157 NOVEL PYRIDINE DERIVATIVE COMPOUND AS RON INHIBITOR Final Rejection LG CHEM, LTD.
18642665 SMALL MOLECULES FOR MOUSE SATELLITE CELL PROLIFERATION Non-Final OA President and Fellows of Harvard College
18746681 COMPOSITIONS AND METHODS FOR STIMULATING VENTILATORY AND/OR RESPIRATORY DRIVE Non-Final OA CASE WESTERN RESERVE UNIVERSITY
18635130 METHODS FOR PREPARING BUTENOLIDES Non-Final OA The Hong Kong University of Science and Technology
18774801 SPIROCYCLIC DEGRONIMERS FOR TARGET PROTEIN DEGRADATION Non-Final OA C4 THERAPEUTICS, INC.
18278078 INHIBITORS OF EPHB3 SIGNALING Final Rejection The Brigham and Women`s Hospital, Inc.

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