Prosecution Insights
Last updated: October 26, 2026

Masudur Rahman, USPTO Patent Examiner

Listed by the USPTO as RAHMAN, MASUDUR

Tech Center 1600 • Art Units: 1600 1623 1631 1632 1633 1634 1658 1674 1699

This examiner grants 73% of resolved cases

Analysis

RAHMAN, MASUDUR handles 129 resolved cases in Tech Center 1600 and Art Unit 1600. The profile shows a 72.9% allowance rate and a median of 1420 days to allowance. The 31.7% interview lift indicates a meaningful positive association between interviews and allowance outcomes.

The principal companies are University of Florida Research Foundation Inc., The Brigham and Women's Hospital Inc., and Novartis AG. The listed firms are MORRISON & FOERSTER LLP, WOLF GREENFIELD & SACKS, P.C., and pH IP Law. Counsel handling life sciences matters should consider interviews as an important part of prosecution planning, while addressing the extended median timing.

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

Performance Statistics

72.9%
Allow Rate
+12.9% vs TC avg
174
Total Applications
+31.7%
Interview Lift
1420
Avg Prosecution Days
Based on 129 resolved cases, 2023–2026

Rejection Statute Breakdown

4.6%
§101 Eligibility
20.3%
§102 Novelty
44.7%
§103 Obviousness
24.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18834704 GENERATION OF BROWN ADIPOCYTES FROM HUMAN PLURIPOTENT STEM CELLS Non-Final OA The Brigham and Women's Hospital, Inc.
19012368 COMPOSITIONS AND METHODS FOR OBTAINING VASCULARIZED HUMAN INTESTINAL ORGANOID TISSUE, AND RELATED USES THEREOF Non-Final OA The Regents of the University of Michigan
18755208 COMPOSITIONS, SYSTEMS, AND METHODS RELATED TO TRANSGENIC HOOKWORMS AS A DRUG PRODUCTION AND DELIVERY TECHNOLOGY Non-Final OA Washington University
18838764 MICROORGANISMS WITH REDUCED COMPETENCE Non-Final OA Evonik Operations GmbH
18271294 DRIED CELL SECRETOME-BASED THERAPEUTIC AGENT FOR OSTEOARTHRITIS TREATMENT Final Rejection SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
18015791 EXPOSURE UNIT, OBSERVATION DEVICE, AND EXPOSURE METHOD Final Rejection HAMAMATSU PHOTONICS K.K.

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Frequently Asked Questions

What is examiner Masudur Rahman's allowance rate?

72.9% of resolved applications examined by Masudur Rahman were allowed (129 resolved cases), compared with 37.3% across Art Unit 1600 over the last five years.

Does an interview help with examiner Masudur Rahman?

This examiner's interview lift is +31.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Masudur Rahman take to allow a patent?

Applications allowed by Masudur Rahman took 1,420 days on average from filing to allowance.

Which art unit does examiner Masudur Rahman work in?

Masudur Rahman examines applications in Art Unit 1600 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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