Prosecution Insights
Last updated: October 26, 2026

David E Choi, USPTO Patent Examiner

Listed by the USPTO as CHOI, DAVID E

Tech Center 2100 • Art Units: 2148 2165 2173 2174

This examiner grants 76% of resolved cases

Analysis

CHOI, DAVID E works in Tech Center 2100 and Art Unit 2148. The record reports 619 resolved cases, with a 75.9% allowance rate and a median of 1090 days to allowance. Interviews show an 11.9% lift, indicating a positive association with allowance outcomes.

Wells Fargo Bank, N.A., Snap Inc., and Amazon Technologies Inc. are the listed leading companies. Dority & Manning, P.A. and Hunter Douglas Inc and EIP US LLP are the listed leading firms. Practitioners should account for the reported prosecution duration when setting client expectations.

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

Performance Statistics

75.9%
Allow Rate
+20.9% vs TC avg
628
Total Applications
+11.9%
Interview Lift
1090
Avg Prosecution Days
Based on 619 resolved cases, 2023–2026

Rejection Statute Breakdown

6.8%
§101 Eligibility
18.3%
§102 Novelty
67.5%
§103 Obviousness
1.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18374905 SAMPLING LARGE LANGUAGE MODELS WITH EQUIVALENCE CHECKING Non-Final OA Amazon Technologies, Inc.
18767532 SYSTEMS AND METHODS FOR CONTROL CONFIGURATION FOR INSTALLED ARCHITECTURAL STRUCTURAL COVERINGS Non-Final OA Hunter Douglas Inc.

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Frequently Asked Questions

What is examiner David E Choi's allowance rate?

75.9% of resolved applications examined by David E Choi were allowed (619 resolved cases), compared with 75.7% across Art Unit 2148 over the last five years.

Does an interview help with examiner David E Choi?

This examiner's interview lift is +11.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner David E Choi take to allow a patent?

Applications allowed by David E Choi took 1,090 days on average from filing to allowance.

Which art unit does examiner David E Choi work in?

David E Choi examines applications in Art Unit 2148 in Tech Center 2100 (Computing & Software).

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