Prosecution Insights
Last updated: October 26, 2026

Marisol Ann O'Neill, USPTO Patent Examiner

Listed by the USPTO as O'NEILL, MARISOL ANN

Tech Center 1600 • Art Units: 1632 1633

This examiner grants 54% of resolved cases

Analysis

O'NEILL, MARISOL ANN is assigned to tech center 1600 and art unit 1632. The profile records 33 resolved cases, with an allowance rate of 54.5% and a median of 1302 days to allowance. The interview lift is 68.2%, indicating a strong relationship between interviews and allowance outcomes. The small record limits certainty, but the figures make interview preparation a significant strategic consideration.

The listed companies are The Board of Trustees of the Leland Stanford Junior University, The Regents of the University of California, and Regeneron Pharmaceuticals Inc. The listed firms are Nixon Peabody LLP, TROUTMAN PEPPER LOCKE LLP, and Lathrop GPM LLP. Counsel may prepare interviews around clear claim distinctions and technical explanations, while preserving alternatives because the allowance measure remains mixed.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

54.5%
Allow Rate
-5.5% vs TC avg
62
Total Applications
+68.2%
Interview Lift
1302
Avg Prosecution Days
Based on 33 resolved cases, 2023–2026

Rejection Statute Breakdown

3.6%
§101 Eligibility
23.9%
§102 Novelty
40.6%
§103 Obviousness
25.9%
§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

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Frequently Asked Questions

What is examiner Marisol Ann O'Neill's allowance rate?

54.5% of resolved applications examined by Marisol Ann O'Neill were allowed (33 resolved cases), compared with 38.1% across Art Unit 1632 over the last five years.

Does an interview help with examiner Marisol Ann O'Neill?

This examiner's interview lift is +68.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Marisol Ann O'Neill take to allow a patent?

Applications allowed by Marisol Ann O'Neill took 1,302 days on average from filing to allowance.

Which art unit does examiner Marisol Ann O'Neill work in?

Marisol Ann O'Neill examines applications in Art Unit 1632 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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