Prosecution Insights
Last updated: October 27, 2026

Maureen Varina Driscoll, USPTO Patent Examiner

Listed by the USPTO as DRISCOLL, MAUREEN VARINA

Tech Center 1600 • Art Units: 1642 1644 1645 1651

This examiner grants 65% of resolved cases

Analysis

In Tech Center 1600 and Art Unit 1642, DRISCOLL, MAUREEN VARINA has resolved 94 cases. The allowance rate is 64.9%, the interview lift is 41.8%, and the median time to allowance is 1277 days. The smaller resolved portfolio limits broad conclusions, but the figures show a meaningful interview association alongside a median timeline that supports deliberate prosecution planning.

The leading companies are Mayo Foundation for Medical Education and Research, Hoffmann-La Roche Inc., and Boehringer Ingelheim International GmbH. The leading firms are FISH & RICHARDSON P.C. (TC), ARENTFOX SCHIFF LLP, and BOZICEVIC, FIELD & FRANCIS LLP. Practitioners may prepare interviews around precise claim and evidence issues, while maintaining a complete written record for later prosecution stages.

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

Performance Statistics

64.9%
Allow Rate
+4.9% vs TC avg
127
Total Applications
+41.8%
Interview Lift
1277
Avg Prosecution Days
Based on 94 resolved cases, 2023–2026

Rejection Statute Breakdown

5.3%
§101 Eligibility
11.6%
§102 Novelty
29.3%
§103 Obviousness
31.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18533539 METHODS AND COMPOSITIONS COMPRISING A BRAF INHIBITOR AND A PD-1 BINDING ANTAGONIST Non-Final OA Hoffmann-La Roche Inc.
18551553 Pharmaceutical Combinations for Treating Cancer Final Rejection BOEHRINGER INGELHEIM INTERNATIONAL GMBH
18283196 MATERIALS AND METHODS FOR TREATING CANCER Final Rejection MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH
17209160 MATERIALS AND METHODS FOR TREATING CANCER Non-Final OA MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH
18124717 SOLUBLE CD28 LEVELS AFTER IMMUNOTHERAPY Non-Final OA BIOND BIOLOGICS LTD.

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Frequently Asked Questions

What is examiner Maureen Varina Driscoll's allowance rate?

64.9% of resolved applications examined by Maureen Varina Driscoll were allowed (94 resolved cases), compared with 38.5% across Art Unit 1642 over the last five years.

Does an interview help with examiner Maureen Varina Driscoll?

This examiner's interview lift is +41.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Maureen Varina Driscoll take to allow a patent?

Applications allowed by Maureen Varina Driscoll took 1,277 days on average from filing to allowance.

Which art unit does examiner Maureen Varina Driscoll work in?

Maureen Varina Driscoll examines applications in Art Unit 1642 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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