Prosecution Insights
Last updated: August 18, 2026

Examiner: O'NEILL, MARISOL ANN

Tech Center 1600 • Art Units: 1633

This examiner grants 55% of resolved cases

Performance Statistics

54.8%
Allow Rate
-5.2% vs TC avg
53
Total Applications
+63.6%
Interview Lift
1243
Avg Prosecution Days
Based on 31 resolved cases, 2023–2026

Rejection Statute Breakdown

3.2%
§101 Eligibility
22.8%
§102 Novelty
42.9%
§103 Obviousness
25.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18261954 GENE ACTIVATION TARGETS FOR ENHANCED HUMAN T CELL FUNCTION Non-Final OA THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
18266093 COMPOSITIONS AND METHODS FOR GENE EDITING WITH WOOLLY MAMMOTH ALLELES Non-Final OA PRESIDENT AND FELLOWS OF HARVARD COLLEGE
18725696 USE OF IMMUNOSUPPRESSION TO ENABLE ENGRAFTMENT OF HEMATOPOIETIC STEM CELLS Non-Final OA The Board of Trustees of the Leland Stanford Junior University
17948382 METHODS OF CONTROLLING ANTIBODY HETEROGENEITY Non-Final OA Regeneron Pharmaceuticals, Inc.
17969979 Methods for high throughput cryopreservation of cell clusters Non-Final OA Regents of the University of Minnesota
18548751 VECTOR, LINEAR COVALENTLY CLOSED DNA PRODUCTION METHOD USING VECTOR, PARVOVIRUS VECTOR PRODUCTION METHOD, AND PARVOVIRUS-VECTOR-PRODUCING CELL PRODUCTION METHOD Non-Final OA KANEKA CORPORATION
18250996 PSEUDOTYPED PARTICLES, MODIFIED CELLS, RELATED COMPOSITIONS, AND RELATED METHODS Final Rejection CHILDREN'S HOSPITAL MEDICAL CENTER
17797633 METHOD OF TREATING GENE THERAPY ASSOCIATED TOXICITY WITH ANTIBIOTICS Non-Final OA ASKBIO INC.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month