Prosecution Insights
Last updated: October 27, 2026

Sabbir Hasan, USPTO Patent Examiner

Listed by the USPTO as HASAN, SABBIR

Tech Center 3700 • Art Units: 3745

This examiner grants 88% of resolved cases

Analysis

HASAN, SABBIR works in Tech Center 3700 and Art Unit 3745. The profile records 395 resolved cases, an 88.1% allowance rate, and a median of 840 days to allowance. Allowance is common in the recorded cases, and the median indicates a prosecution period that remains material but manageable for planning.

The interview lift is 15.4%, showing a positive association between interviews and allowance. The leading companies are Safran S.A., RTX Corporation, and Compagnie de Saint-Gobain S.A. The listed firms are Abel Schillinger, LLP, Bachman & LaPointe, P.C., and Hoffman Warnick - GE Vernova. Counsel may use interviews as a useful complement to substantive prosecution strategy.

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

Performance Statistics

88.1%
Allow Rate
+18.1% vs TC avg
407
Total Applications
+15.4%
Interview Lift
840
Avg Prosecution Days
Based on 395 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
30.3%
§102 Novelty
31.9%
§103 Obviousness
37.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19161997 GUIDE DEVICE FOR AN AIRCRAFT TURBINE ENGINE Non-Final OA SAFRAN AIRCRAFT ENGINES
18545614 ABRASIVE ARTICLES AND METHODS OF FORMING SAME Non-Final OA SAINT-GOBAIN ABRASIFS

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Frequently Asked Questions

What is examiner Sabbir Hasan's allowance rate?

88.1% of resolved applications examined by Sabbir Hasan were allowed (395 resolved cases), compared with 64.8% across Art Unit 3745 over the last five years.

Does an interview help with examiner Sabbir Hasan?

This examiner's interview lift is +15.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Sabbir Hasan take to allow a patent?

Applications allowed by Sabbir Hasan took 840 days on average from filing to allowance.

Which art unit does examiner Sabbir Hasan work in?

Sabbir Hasan examines applications in Art Unit 3745 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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