Prosecution Insights
Last updated: August 18, 2026

Examiner: PENNINGTON, KATIE LEIGH

Tech Center 1600 • Art Units: 1633 1634

This examiner grants 28% of resolved cases

Performance Statistics

27.6%
Allow Rate
-32.4% vs TC avg
127
Total Applications
+58.4%
Interview Lift
1493
Avg Prosecution Days
Based on 58 resolved cases, 2023–2026

Rejection Statute Breakdown

4.0%
§101 Eligibility
14.3%
§102 Novelty
40.4%
§103 Obviousness
29.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18272355 HIV Pseudovirus Particles and Method for Preparing the Same Final Rejection BOE Technology Group Co., Ltd.
17357652 CELL TRANSPLANTATION KIT, METHOD FOR PRODUCING SAC-SHAPED STRUCTURE, AND THERAPEUTIC AGENT FOR DIABETES Final Rejection FUJIFILM Corporation
17904565 Adeno-Associated Viral (AAV)-Mediated Sgpl1 Gene Therapy For Treatment Of Sphingosine-1-Phosphate Lyase Insufficiency Syndrome (SPLIS) Final Rejection The Regents of the University of California
17759539 NON-HUMAN ANIMALS COMPRISING A HUMANIZED TTR LOCUS COMPRISING A V30M MUTATION AND METHODS OF USE Final Rejection Regeneron Pharmaceuticals, Inc.
17442471 ENGINEERED MRNA SEQUENCES AND USES THEREOF Non-Final OA Ohio State Innovation Foundation
17924539 DISEASE CORRECTION BY DELIVERY OF AAV8 VECTORS EXPRESSING CODON OPTIMIZED NAGLU Final Rejection University of Florida Research Foundation, Incorporated
17922174 MACHINE GUIDED DIRECTED EVOLUTION OF RAAV COMBINATORIAL CAPSID LIBRARIES Non-Final OA University of Florida Research Foundation, Incorporated
17772266 GENE THERAPY VECTORS Non-Final OA University of Florida Research Foundation, Incorporated
17801815 NOVEL TYPE IV AND TYPE I CRISPR-CAS SYSTEMS AND METHODS OF USE THEREOF Final Rejection MASSACHUSETTS INSTITUTE OF TECHNOLOGY
17768146 MODIFIED STEM CELLS AND METHODS OF USE THEREOF Non-Final OA Arizona Board of Regents on behalf of the University of Arizona
18100028 WATER-BASED HYPOTONIC LYSIS METHOD FOR ADENO-ASSOCIATED VIRUS PURIFICATION Final Rejection UNIVERSITY OF SOUTH CAROLINA
17909187 METHODS OF CONTROLLING BODYWEIGHT BY MODULATING PHOSPHATIDYLINOSITOL 5-PHOSPHATE 4-KINASE BETA ACTIVITY Final Rejection University of Cincinnati

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