Prosecution Insights
Last updated: October 26, 2026

Syed O Hasan, USPTO Patent Examiner

Listed by the USPTO as HASAN, SYED O

Tech Center 3700 • Art Units: 3655 3747 3762 3783

This examiner grants 78% of resolved cases

Analysis

HASAN, SYED O handles cases in tech center 3700 and art unit 3655. The record includes 711 resolved cases, an allowance rate of 78.3%, and a median of 826 days to allowance. Interview activity is associated with an 18.6% lift, which supports considering examiner interviews as part of prosecution planning.

The listed companies are Kubota Corporation, Toyota Motor Corporation, and Yanmar Holdings Co., Ltd. The leading firms are ARENTFOX SCHIFF LLP, Cantor Colburn LLP - General Motors, and Chrisman Gallo Tochtrop LLC. The combination of broad case volume and a relatively short median timeline provides useful context for expected prosecution management.

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

Performance Statistics

78.3%
Allow Rate
+8.3% vs TC avg
745
Total Applications
+18.6%
Interview Lift
826
Avg Prosecution Days
Based on 711 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
27.0%
§102 Novelty
54.9%
§103 Obviousness
14.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19269468 LUBRICATION MECHANISM Non-Final OA HONDA MOTOR CO., LTD.
18815477 CONTROL SYSTEM FOR VEHICLE AIR VENT Non-Final OA Kia Corporation
18944360 DUAL FUEL INJECTION SYSTEM CONTROL Non-Final OA GM Global Technology Operations LLC

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Frequently Asked Questions

What is examiner Syed O Hasan's allowance rate?

78.3% of resolved applications examined by Syed O Hasan were allowed (711 resolved cases), compared with 78.0% across Art Unit 3655 over the last five years.

Does an interview help with examiner Syed O Hasan?

This examiner's interview lift is +18.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Syed O Hasan take to allow a patent?

Applications allowed by Syed O Hasan took 826 days on average from filing to allowance.

Which art unit does examiner Syed O Hasan work in?

Syed O Hasan examines applications in Art Unit 3655 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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