Prosecution Insights
Last updated: October 27, 2026

Benjamin Michael Brandsen, USPTO Patent Examiner

Listed by the USPTO as BRANDSEN, BENJAMIN MICHAEL

Tech Center 1600 • Art Units: 1623 1658 1693 1699

This examiner grants 61% of resolved cases

Analysis

BRANDSEN, BENJAMIN MICHAEL works in Tech Center 1600 and art unit 1623, with 115 resolved cases. The allowance rate is 60.9%, and the median time to allowance is 1267 days. The interview lift is 21.7%, indicating that interviews are associated with improved outcomes in the recorded matters.

The listed companies are The Board of Trustees of the Leland Stanford Junior University, University of Washington, and Cambridge Enterprise Limited. The listed firms are NIXON & VANDERHYE, PC, ALSTON & BIRD LLP, and Dentons Davis Brown PC. Practitioners can use the profile to anticipate a measured prosecution pace and to evaluate interviews alongside focused responses in life sciences matters.

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

Performance Statistics

60.9%
Allow Rate
+0.9% vs TC avg
149
Total Applications
+21.7%
Interview Lift
1267
Avg Prosecution Days
Based on 115 resolved cases, 2023–2026

Rejection Statute Breakdown

4.0%
§101 Eligibility
21.1%
§102 Novelty
34.7%
§103 Obviousness
24.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17772940 AZAPODOPHYLLOTOXIN DERIVATIVES AND METHODS OF TREATING LYMPHOMA AND KIDNEY CANCER Final Rejection The Board of Trustees of the Leland Stanford Junior University
17904907 COMPOSITION AND METHOD TO PREPARE LONG-ACTING INJECTABLE SUSPENSION CONTAINING MULTIPLE CANCER DRUGS Final Rejection University of Washington

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Frequently Asked Questions

What is examiner Benjamin Michael Brandsen's allowance rate?

60.9% of resolved applications examined by Benjamin Michael Brandsen were allowed (115 resolved cases), compared with 51.3% across Art Unit 1623 over the last five years.

Does an interview help with examiner Benjamin Michael Brandsen?

This examiner's interview lift is +21.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Benjamin Michael Brandsen take to allow a patent?

Applications allowed by Benjamin Michael Brandsen took 1,267 days on average from filing to allowance.

Which art unit does examiner Benjamin Michael Brandsen work in?

Benjamin Michael Brandsen examines applications in Art Unit 1623 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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