Prosecution Insights
Last updated: October 26, 2026

Dana Lee Poon, USPTO Patent Examiner

Listed by the USPTO as POON, DANA LEE

Tech Center 3700 • Art Units: 3723

This examiner grants 55% of resolved cases

Analysis

Dana Lee Poon has 168 resolved cases in Tech Center 3700 and Art Unit 3723. The profile shows a 55.4% allowance rate and a median of 1054 days to allowance. Interviews are associated with a 41.8% lift in the allowance rate. The limited resolved-case history calls for measured use of the figures, while the interview result identifies direct examiner communication as a relevant strategic option.

The leading companies are Omachron Intellectual Property Inc., Applied Materials Inc., and Dyson Technology Limited. The leading firms are Chrisman Gallo Tochtrop LLC, SMART & BIGGAR LP, and THE WEBB LAW FIRM, P.C. Applicants can use this information to frame mechanical and manufacturing arguments with attention to prosecution timing.

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

Performance Statistics

55.4%
Allow Rate
-14.6% vs TC avg
235
Total Applications
+41.8%
Interview Lift
1054
Avg Prosecution Days
Based on 168 resolved cases, 2023–2026

Rejection Statute Breakdown

1.5%
§101 Eligibility
19.6%
§102 Novelty
52.9%
§103 Obviousness
23.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18598433 Cleaning System Non-Final OA APPLE INC.
18615396 LiDAR-Reinigungssystem Non-Final OA Robert Bosch GmbH
18014494 VACUUM CLEANER Final Rejection Dyson Technology Limited
18014488 VACUUM CLEANER Final Rejection Dyson Technology Limited
18151979 ELECTRONIC DEVICE Final Rejection InnoLux Corporation
18715784 APPARATUS AND HAIRBRUSH FOR ASSESSING HAIR CHARACTERISTICS Non-Final OA BASF SE
17999392 DRIVERLESS TRANSPORT VEHICLE WITH IMPROVED MAINTAINABILITY Non-Final OA Continental Automotive Technologies GmbH
17347824 DRESSING APPARATUS AND DRESSING METHOD FOR SUBSTRATE REAR SURFACE POLISHING MEMBER Non-Final OA Tokyo Electron Limited
18309314 SUBSTRATE CLEANING IMPROVEMENT Non-Final OA Applied Materials, Inc.
18279863 APPLICATOR AND METHOD OF FORMING AN APPLICATOR Non-Final OA medmix Switzerland AG
17291379 RELEASABLE TOOL ATTACHMENT MEANS FOR POWER TROWELS Final Rejection Husqvarna AB
18517530 CHUCK TABLE Final Rejection DISCO CORPORATION
18704167 TOOTHBRUSH Non-Final OA HALEON UK IP LIMITED

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Frequently Asked Questions

What is examiner Dana Lee Poon's allowance rate?

55.4% of resolved applications examined by Dana Lee Poon were allowed (168 resolved cases), compared with 56.5% across Art Unit 3723 over the last five years.

Does an interview help with examiner Dana Lee Poon?

This examiner's interview lift is +41.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Dana Lee Poon take to allow a patent?

Applications allowed by Dana Lee Poon took 1,054 days on average from filing to allowance.

Which art unit does examiner Dana Lee Poon work in?

Dana Lee Poon examines applications in Art Unit 3723 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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