Prosecution Insights
Last updated: October 27, 2026

Douglas Lee, USPTO Patent Examiner

Listed by the USPTO as LEE, DOUGLAS

Tech Center 1700 • Art Units: 1711 1714 1718

This examiner grants 45% of resolved cases

Analysis

LEE, DOUGLAS has 678 resolved cases, a 45.3% allowance rate, and a 13.7% interview lift. The median time to allowance is 1295 days. The profile covers Tech Center 1700 and Art Unit 1711. The allowance rate indicates that allowance has not been achieved in a majority of the resolved record, while the positive interview lift gives interviews a potentially useful role in addressing outstanding issues. The 1295-day median makes timing a material prosecution concern.

The leading companies are Henkel AG & Co. KGaA, Tokyo Electron Limited, and Samsung Electronics Co., Ltd. The principal firms are Chrisman Gallo Tochtrop LLC, Maschoff Brennan, and SCULLY SCOTT MURPHY & PRESSER, PC. This recurring applicant and counsel mix provides context for preparing technical amendments and interview agendas.

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

Performance Statistics

45.3%
Allow Rate
-19.7% vs TC avg
715
Total Applications
+13.7%
Interview Lift
1295
Avg Prosecution Days
Based on 678 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
10.2%
§102 Novelty
63.2%
§103 Obviousness
23.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18888814 ELECTRONIC APPARATUS FOR ADAPTIVELY CHANGING CLEANING PATH BASED ON DUST DISTRIBUTION AND CONTROL METHOD THEREOF Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18455976 CLEANING APPARATUS, CLEANING METHOD, IMPRINT APPARATUS, AND METHOD FOR MANUFACTURING AN ARTICLE Final Rejection CANON KABUSHIKI KAISHA
19173239 DE-POWDERING OF ADDITIVE MANUFACTURING BUILD Non-Final OA General Electric Company
18726779 ZONE CLEANING CONTROL METHOD AND APPARATUS FOR CLEANING ROBOT, AND ELECTRONIC DEVICE Non-Final OA Beijing Roborock Technology Co., Ltd.
18879383 SUBSTRATE PROCESSING METHOD, SUBSTRATE PROCESSING DEVICE, AND STORAGE MEDIUM Non-Final OA Tokyo Electron Limited
18949248 SUBSTRATE STANDBY DEVICE, SUBSTRATE PROCESSING SYSTEM, AND SUBSTRATE PROCESSING METHOD Final Rejection Tokyo Electron Limited
18526000 ENVIRONMENT SCRUBBING VIA SWARM DEVICES Final Rejection INTERNATIONAL BUSINESS MACHINES CORPORATION
18442234 METHODS AND APPARATUS FOR PRECLEANING AND TREATING WAFER SURFACES Non-Final OA Applied Materials, Inc.
18883420 METHOD AND ARRANGEMENT FOR PRE-CLEANING AN ENDOSCOPE Final Rejection Olympus Winter & Ibe GmbH
18615395 LASER SURFACE MODIFICATION METHOD AND SYSTEM FOR IMPROVED PLATE SURFACE Non-Final OA Rockwell Collins, Inc
18356486 COMPOSITIONS AND METHODS OF USE THEREOF Non-Final OA FUJIFILM ELECTRONIC MATERIALS U.S.A., INC.
18879974 SYSTEM AND METHOD FOR REMOVAL OF RESIN FROM 3D PRINTED OBJECTS Non-Final OA PostProcess Technologies, Inc.
18440548 AUTOMATIC SWIMMING POOL CLEANER WITH MORE THAN ONE BATTERY PACK Non-Final OA ZODIAC POOL CARE EUROPE

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Frequently Asked Questions

What is examiner Douglas Lee's allowance rate?

45.3% of resolved applications examined by Douglas Lee were allowed (678 resolved cases), compared with 63.9% across Art Unit 1711 over the last five years.

Does an interview help with examiner Douglas Lee?

This examiner's interview lift is +13.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Douglas Lee take to allow a patent?

Applications allowed by Douglas Lee took 1,295 days on average from filing to allowance.

Which art unit does examiner Douglas Lee work in?

Douglas Lee examines applications in Art Unit 1711 in Tech Center 1700 (Chemistry & Materials).

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