Prosecution Insights
Last updated: August 18, 2026

Examiner: KASAYAN, KATRIEL BARCELLANO

Tech Center 1700 • Art Units: 1600 1611 1634 1643 1773

This examiner grants 33% of resolved cases

Performance Statistics

33.3%
Allow Rate
-31.7% vs TC avg
23
Total Applications
+0.0%
Interview Lift
1219
Avg Prosecution Days
Based on 3 resolved cases, 2023–2026

Rejection Statute Breakdown

7.3%
§101 Eligibility
6.4%
§102 Novelty
43.1%
§103 Obviousness
36.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18292483 Methods of Improving Therapeutic Efficacy of Mesenchymal Stromal Cells for Treatment of Osteoarthritis Non-Final OA Emory University
18750595 METHOD OF CULTURING THREE-DIMENSIONAL CELLULAR TISSUES Non-Final OA TOPPAN HOLDINGS INC.
17802686 COMPOSITIONS, METHODS, KITS, AND SYSTEMS RELATING TO CHARGE-NEUTRAL MICROGELS FOR 3D CELL CULTURE AND PRINTING Final Rejection University of Florida Research Foundation, Inc.
18535328 LOW TEMPERATURE-MANAGED CELL AGGREGATE AND CELL AGGREGATE MAINTAINING METHOD Non-Final OA NIKKISO CO., LTD.
18838347 NEURAL PROGENITOR CELL COMPOSITIONS AND METHODS OF USING THE SAME Non-Final OA The General Hospital Corporation
17501059 METHODS OF DETECTION AND TREATMENT FOR CARDIOVASCULAR DISEASE AND FOOT WOUNDS Final Rejection WASHINGTON UNIVERSITY
18727816 PHENOL GROUP-MODIFIED DECELLULARIZED MUSCLE TISSUE-DERIVED EXTRACELLULAR MATRIX FOR MUSCLE REGENERATION, AND METHOD FOR PREPARING SAME Non-Final OA INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
18265796 METHODS OF INDUCING AN IMMUNOMODULATORY TUMOR RESPONSE Non-Final OA CORNELL UNIVERSITY

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