Prosecution Insights
Last updated: October 26, 2026

Seth Han, USPTO Patent Examiner

Listed by the USPTO as HAN, SETH

Tech Center 3700 • Art Units: 1613 3781 3783

This examiner grants 60% of resolved cases

Analysis

HAN, SETH has resolved 188 cases in Tech Center 3700 and Art Unit 1613. The allowance rate is 59.6%, and the median time to allowance is 1103 days. The record supports planning for a prosecution process that may require sustained engagement before allowance.

The interview lift is 27.1%, indicating a measurable association with allowance. Practitioners may consider an interview when a direct explanation could sharpen the distinction over cited art. The listed companies are Mayo Foundation for Medical Education and Research, Smith & Nephew plc, and Verily Life Sciences LLC. The leading firms are SEAGER, TUFTE & WICKHEM, LLP, Knobbe, Martens, Olson & Bear, LLP, and CBM Patent Consulting, LLC.

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

Performance Statistics

59.6%
Allow Rate
-10.4% vs TC avg
240
Total Applications
+27.1%
Interview Lift
1103
Avg Prosecution Days
Based on 188 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
15.6%
§102 Novelty
55.4%
§103 Obviousness
20.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18348992 HYBRID WATER RESERVOIR FOR AN ENDOSCOPE Non-Final OA Boston Scientific Scimed, Inc.
18437800 ABSORBENT ARTICLES INCLUDING IMPROVED ELASTIC PANELS Final Rejection The Procter & Gamble Company
17273769 SYRINGE ASSEMBLY AND ADAPTER MEMBER Non-Final OA Becton, Dickinson and Company

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Frequently Asked Questions

What is examiner Seth Han's allowance rate?

59.6% of resolved applications examined by Seth Han were allowed (188 resolved cases), compared with 34.0% across Art Unit 1613 over the last five years.

Does an interview help with examiner Seth Han?

This examiner's interview lift is +27.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Seth Han take to allow a patent?

Applications allowed by Seth Han took 1,103 days on average from filing to allowance.

Which art unit does examiner Seth Han work in?

Seth Han examines applications in Art Unit 1613 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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