Prosecution Insights
Last updated: October 26, 2026

Susan Shan Su, USPTO Patent Examiner

Listed by the USPTO as SU, SUSAN SHAN

Tech Center 3700 • Art Units: 3761 3781 3783

This examiner grants 72% of resolved cases

Analysis

SU, SUSAN SHAN works in tech center 3700 and art unit 3761. The record contains 1145 resolved cases, an allowance rate of 72.0%, and a median of 1148 days to allowance. The large case record supports using the allowance figure as a meaningful indicator of observed outcomes, while the median shows that allowance generally follows a substantial examination period.

The interview lift is 23.7%, making interviews a relevant option when claim amendments or examiner concerns may benefit from discussion. Terumo Corporation, Medline Industries L.P., and Smith & Nephew plc are the listed companies. Knobbe, Martens, Olson & Bear, LLP, Crowell, and EIP US LLP are the listed firms with recorded experience.

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

Performance Statistics

72.0%
Allow Rate
+2.0% vs TC avg
1,173
Total Applications
+23.7%
Interview Lift
1148
Avg Prosecution Days
Based on 1145 resolved cases, 2023–2026

Rejection Statute Breakdown

2.1%
§101 Eligibility
17.9%
§102 Novelty
49.2%
§103 Obviousness
22.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18931507 COLLECTION KIT AND COLLECTION METHOD Non-Final OA TERUMO KABUSHIKI KAISHA
19111817 HEART ASSISTANCE OR BACK-UP DEVICE Non-Final OA BYPA MEDICAL SOLUTIONS

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Frequently Asked Questions

What is examiner Susan Shan Su's allowance rate?

72.0% of resolved applications examined by Susan Shan Su were allowed (1,145 resolved cases), compared with 57.7% across Art Unit 3761 over the last five years.

Does an interview help with examiner Susan Shan Su?

This examiner's interview lift is +23.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Susan Shan Su take to allow a patent?

Applications allowed by Susan Shan Su took 1,148 days on average from filing to allowance.

Which art unit does examiner Susan Shan Su work in?

Susan Shan Su examines applications in Art Unit 3761 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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