Prosecution Insights
Last updated: October 26, 2026

Dariush Seif, USPTO Patent Examiner

Listed by the USPTO as SEIF, DARIUSH

Tech Center 3700 • Art Units: 1749 3721 3731

This examiner grants 71% of resolved cases

Analysis

SEIF, DARIUSH is an examiner in Tech Center 3700 and art unit 1749. The record includes 546 resolved cases, a 70.7% allowance rate, and a 6.1% interview lift. The median time to allowance is 1051 days, so applicants should plan for a prosecution cycle that may continue after multiple substantive exchanges.

The listed companies are Cilag GmbH International, Pregis LLC, and Hilti Aktiengesellschaft. The listed firms are Fox Rothschild LLP, Troutman Pepper Locke LLP, and Ahmann Kloke LLP. The modestly positive interview measure suggests that interviews can support clarification, but the written record remains central to prosecution strategy.

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

Performance Statistics

70.7%
Allow Rate
+0.7% vs TC avg
590
Total Applications
+6.1%
Interview Lift
1051
Avg Prosecution Days
Based on 546 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
21.3%
§102 Novelty
49.6%
§103 Obviousness
27.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19411901 POWER TOOL INCLUDING FIELD ORIENTED CONTROL SPEED-TORQUE CURVE MATCHING Non-Final OA MILWAUKEE ELECTRIC TOOL CORPORATION
18806353 Mechanical Percussion Mechanism Final Rejection Robert Bosch GmbH
19239291 STAPLE CARTRIDGE COMPRISING A POWER MANAGEMENT CIRCUIT Non-Final OA Cilag GmbH International
19093403 IMPLANTABLE ADJUNCT HAVING A FILM ATTACHMENT Non-Final OA CILAG GMBH INTERNATIONAL
18484807 COMPRESSIBLE SURGICAL ADJUNCTS, CARTRIDGES, AND CARTRIDGE ASSEMBLIES Non-Final OA CILAG GMBH INTERNATIONAL
18874877 ALIGNMENT MODULE WITH AUTOMATIC PRESSURE CONTROL Non-Final OA BOBST MEX SA
19085541 SEALING GEOMETRY FOR A MOBILE POWER TOOL Final Rejection Hilti Aktiengesellschaft
18867432 POWER TOOL WITH PARALLEL OUTPUT AND MOTOR AXES Non-Final OA Hilti Aktiengesellschaft
19478382 COLLECTION RECEPTACLE FOR WORKPIECE PARTICLES, HANDHELD POWER TOOL ASSEMBLY, PARTICLE COLLECTION ASSEMBLY, HANDHELD POWER TOOL SYSTEM, AND USE OF A GUIDE RAIL Non-Final OA Festool GmbH

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Frequently Asked Questions

What is examiner Dariush Seif's allowance rate?

70.7% of resolved applications examined by Dariush Seif were allowed (546 resolved cases), compared with 47.4% across Art Unit 1749 over the last five years.

Does an interview help with examiner Dariush Seif?

This examiner's interview lift is +6.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Dariush Seif take to allow a patent?

Applications allowed by Dariush Seif took 1,051 days on average from filing to allowance.

Which art unit does examiner Dariush Seif work in?

Dariush Seif examines applications in Art Unit 1749 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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