Prosecution Insights
Last updated: October 27, 2026

Gilbert Y Lee, USPTO Patent Examiner

Listed by the USPTO as LEE, GILBERT Y

Tech Center 3600 • Art Units: 1742 3673 3674 3675 3676

This examiner grants 79% of resolved cases

Analysis

LEE, GILBERT Y has 1416 resolved cases and a 78.8% allowance rate. The interview lift is 10.7%, and the median time to allowance is 872 days. The profile covers Tech Center 3600 and Art Unit 1742. The allowance rate indicates a favorable resolved-case pattern across a substantial record. The positive interview lift is measurable but limited, so interviews may best complement detailed written responses. The 872-day median remains important for prosecution scheduling.

The principal companies are Galvgard (U K ) Limited, Cilag GmbH International, and Mahle International GmbH. The leading firms are Sheridan Ross PC, Abel Schillinger, LLP, and ANDRUS INTELLECTUAL PROPERTY LAW, LLP. This applicant and firm mix gives counsel context for the technical matters recurring in the docket.

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

Performance Statistics

78.8%
Allow Rate
+26.8% vs TC avg
1,447
Total Applications
+10.7%
Interview Lift
872
Avg Prosecution Days
Based on 1416 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
30.2%
§102 Novelty
43.9%
§103 Obviousness
13.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18541712 IMMERSIBLE AND CORROSION RESISTANT SHAFT ASSEMBLIES Non-Final OA CILAG GMBH INTERNATIONAL
18988853 PISTON RING WITH TRAPEZOIDAL OPENING Non-Final OA MAHLE International GmbH
18206106 MOUNTING PAD, MOUNTING MECHANISM, AND SUBSTRATE TRANSFER MECHANISM Non-Final OA Tokyo Electron Limited
18932224 V-PACKING UTILIZING POLYARYLETHER KETONE SEAL ELEMENTS Final Rejection Weatherford Technology Holdings, LLC.
18138396 Elastomer Bonded Door For Vacuum Systems Non-Final OA Applied Materials, Inc.
18897039 MULTILAYER GASKET AND METHODS OF FORMING THE SAME Final Rejection SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
18126086 SEGMENTED VACUUM GRIPPER SEALING ELEMENT Final Rejection Nemo Power Tools Ltd.

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Frequently Asked Questions

What is examiner Gilbert Y Lee's allowance rate?

78.8% of resolved applications examined by Gilbert Y Lee were allowed (1,416 resolved cases), compared with 58.3% across Art Unit 1742 over the last five years.

Does an interview help with examiner Gilbert Y Lee?

This examiner's interview lift is +10.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Gilbert Y Lee take to allow a patent?

Applications allowed by Gilbert Y Lee took 872 days on average from filing to allowance.

Which art unit does examiner Gilbert Y Lee work in?

Gilbert Y Lee examines applications in Art Unit 1742 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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