Prosecution Insights
Last updated: October 01, 2026

Examiner: RAHMAN, MASUDUR

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

This examiner grants 73% of resolved cases

Analysis

Masudur Rahman is an examiner in Tech Center 1600 and Art Unit 1600. The examiner has 128 resolved cases. The allowance rate is 72.7%. This 72.7% rate indicates the frequency of patent grants among the 128 resolved cases. Practitioners can use this 72.7% figure to assess the likelihood of success when prosecuting applications before this examiner.

The interview lift is 31.7%. This 31.7% lift indicates the change in the likelihood of receiving an allowance after conducting an interview. The 31.7% lift suggests that interviews are associated with an increase in the probability of a grant. The median days to allowance is 1422. This 1422 day period provides a timeframe for the duration of the prosecution process from filing to a grant. The 1422 days represent the median point for reaching a resolution in Art Unit 1600.

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

Performance Statistics

72.7%
Allow Rate
+12.7% vs TC avg
157
Total Applications
+31.7%
Interview Lift
1422
Avg Prosecution Days
Based on 128 resolved cases, 2023–2026

Rejection Statute Breakdown

4.2%
§101 Eligibility
19.4%
§102 Novelty
46.8%
§103 Obviousness
23.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18561929 METHODS AND MATERIALS FOR TREATING PROTEINOPATHIES Non-Final OA Mayo Foundation for Medical Education and Research
18271294 DRIED CELL SECRETOME-BASED THERAPEUTIC AGENT FOR OSTEOARTHRITIS TREATMENT Final Rejection SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
18838764 MICROORGANISMS WITH REDUCED COMPETENCE Non-Final OA Evonik Operations GmbH
18009568 ZBTB32 INHIBITORS AND USES THEREOF Final Rejection NOVARTIS AG
18015791 EXPOSURE UNIT, OBSERVATION DEVICE, AND EXPOSURE METHOD Final Rejection HAMAMATSU PHOTONICS K.K.
17616522 METHODS OF MAKING AND USING LIVER CELLS Final Rejection University Health Network
18420721 CELLULAR COMPOSITIONS FOR TREATING BACK PAIN Non-Final OA THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA
18696866 HUMAN HEPATOCYTE CULTURE MEDIUM AND CONDITIONED MEDIUM OF IN VITRO CULTURED HUMAN HEPATOCYTES AND USES THEREOF Non-Final OA PhoenixBio Co., Ltd.
18366306 IMMUNOSTIMULATORY OLIGONUCLEOTIDES Non-Final OA Elanco Animal Health GmbH
18718051 Purification Method of Viral Vectors Non-Final OA Oxford Biomedica (UK) Limited
18701572 Method for the generation of genetically modified NK cells Non-Final OA MILTENYI BIOTEC B.V. & CO. KG

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