Prosecution Insights
Last updated: August 18, 2026

Examiner: RIGA, MICHAEL ANGELO

Tech Center 1600 • Art Units: 1633 1634 1653

This examiner grants 57% of resolved cases

Performance Statistics

56.7%
Allow Rate
-3.3% vs TC avg
101
Total Applications
+59.7%
Interview Lift
1534
Avg Prosecution Days
Based on 67 resolved cases, 2023–2026

Rejection Statute Breakdown

4.1%
§101 Eligibility
13.5%
§102 Novelty
39.7%
§103 Obviousness
35.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18719340 CONSTITUTIVE PRODUCTION OF MICROCINS TO TARGET ENTERIC BACTERIA Non-Final OA UNIVERSITY OF MASSACHUSETTS
16970216 COMPOSITIONS AND METHODS FOR MEMBRANE PROTEIN DELIVERY Final Rejection FLAGSHIP PIONEERING INNOVATIONS V, INC.
17430086 MESENCHYMAL STEM CELL SHEET AND USE THEREOF Final Rejection BOE TECHNOLOGY GROUP CO., LTD.
18551975 GENE CORRECTION FOR RAG2 DEFICIENCY IN HUMAN STEM CELLS Non-Final OA The Board of Trustees of the Leland Stanford Junior University
17612669 MODIFIED VIRAL PARTICLES AND USES THEREOF Non-Final OA Regeneron Pharmaceuticals, Inc.
18546746 Transplantation of Liver Cells by Administration to the Biliary Tree of the Liver Final Rejection Cambridge Enterprise Limited
17998330 COMPOSITIONS USEFUL IN TREATMENT OF KRABBE DISEASE Final Rejection The Trustees of the University of Pennsylvania
17268635 PHARMACEUTICAL COMPOSITION FOR TREATING CARTILAGE DAMAGE, COMPRISING NASAL SEPTUM CHONDROCYTES Final Rejection THE CATHOLIC UNIVERSITY OF KOREA INDUSTRY-ACADEMIC COOPERATION FOUNDATION
17789314 Method for Producing Serum for Culturing Mammalian Cells Final Rejection NIPRO CORPORATION
18556593 ENGINEERED MEGANUCLEASES THAT TARGET HUMAN MITOCHONDRIAL GENOMES Non-Final OA University of Miami
18843544 WHARTON'S JELLY PREPARATION EFFECTIVE FOR PROMOTING BONE REGENERATION Non-Final OA NATIONAL YANG MING CHIAO TUNG UNIVERSITY

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