Prosecution Insights
Last updated: October 27, 2026

John Lee, USPTO Patent Examiner

Listed by the USPTO as LEE, JOHN

Tech Center 1700 • Art Units: 1732 1752 1794

This examiner grants 32% of resolved cases

Analysis

LEE, JOHN has 41 resolved cases and a 31.7% allowance rate. The interview lift is 37.7%, and the median time to allowance is 1504 days. The examiner is associated with Tech Center 1700 and Art Unit 1732. The allowance rate indicates difficult outcomes in the available record, while the positive interview lift suggests that interviews may help address prosecution barriers. The 1504-day median makes timing a particularly important consideration.

The recurring companies are Signify Holding B.V., Avery Dennison Corporation, and BASF SE. The leading firms are Morgan, Lewis & Bockius LLP (WA), TROUTMAN PEPPER LOCKE LLP, and BIRCH STEWART KOLASCH & BIRCH, LLP. Practitioners can use this materials and lighting context to prepare focused interviews and written responses.

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

Performance Statistics

31.7%
Allow Rate
-33.3% vs TC avg
89
Total Applications
+37.7%
Interview Lift
1504
Avg Prosecution Days
Based on 41 resolved cases, 2023–2026

Rejection Statute Breakdown

1.3%
§101 Eligibility
13.1%
§102 Novelty
56.1%
§103 Obviousness
27.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17907767 POLYGONAL CONTINUOUS FLOW REACTOR FOR PHOTOCHEMICAL PROCESSES Final Rejection SIGNIFY HOLDING B.V.
17925638 LIGHTING DEVICE FOR PROVIDING LIGHT TO BE USED IN A PHOTOCHEMICAL REACTION Non-Final OA BASF SE
17779664 METHOD OF EXTRACTING PRECIPITATE AND/OR INCLUSION, METHOD OF QUANTITATIVE ANALYSIS OF PRECIPITATE AND/OR INCLUSION, ELECTROLYTE, AND METHOD OF PRODUCING REPLICA SAMPLE Final Rejection JFE Steel Corporation
17165726 SYSTEMS AND METHODS FOR PROCESSING MATERIALS WITH COMPLEX ISOTOPE VECTORS FOR USE AS A NUCLEAR FUEL Non-Final OA Westinghouse Electric Company LLC

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Frequently Asked Questions

What is examiner John Lee's allowance rate?

31.7% of resolved applications examined by John Lee were allowed (41 resolved cases), compared with 53.6% across Art Unit 1732 over the last five years.

Does an interview help with examiner John Lee?

This examiner's interview lift is +37.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

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

Applications allowed by John Lee took 1,504 days on average from filing to allowance.

Which art unit does examiner John Lee work in?

John Lee examines applications in Art Unit 1732 in Tech Center 1700 (Chemistry & Materials).

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