Prosecution Insights
Last updated: October 26, 2026

Pan G Choy, USPTO Patent Examiner

Listed by the USPTO as CHOY, PAN G

Tech Center 3600 • Art Units: 2129 3623 3624

This examiner grants 24% of resolved cases

Analysis

CHOY, PAN G has resolved 469 cases in Tech Center 3600 and Art Unit 2129. The allowance rate is 24.5%, while the median time to allowance is 1708 days. The combination points to a difficult prosecution environment, with allowance occurring in a minority of resolved cases and a lengthy recorded path to allowance.

The interview lift is 35.0%, which supports giving interviews a defined role in amendment and claim strategy. The principal companies are Nice Ltd., ORACLE INTERNATIONAL Corporation, and Kabushiki Kaisha Toshiba. The principal firms are ARENTFOX SCHIFF LLP, BANNER & WITCOFF, LTD., and CARR & FERRELL LLP. Practitioners should prepare for sustained prosecution and use interviews to address issues that written amendments may not resolve efficiently.

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

Performance Statistics

24.5%
Allow Rate
-27.5% vs TC avg
510
Total Applications
+35.0%
Interview Lift
1708
Avg Prosecution Days
Based on 469 resolved cases, 2023–2026

Rejection Statute Breakdown

37.0%
§101 Eligibility
4.2%
§102 Novelty
40.1%
§103 Obviousness
18.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18138930 UNIVARIATE SERIES TRUNCATION POLICY USING CHANGEPOINT DETECTION Final Rejection Oracle International Corporation
17675214 EVENT ATTRIBUTION FOR ESTIMATING DOWN STREAM IMPACT Non-Final OA Oracle International Corporation
18554787 NOTIFICATION METHOD AND RELATED APPARATUS Final Rejection HUAWEI TECHNOLOGIES CO., LTD.
18724452 FIELD-SCALE CROP PHENOLOGY MODEL FOR COMPUTING PLANT DEVELOPMENT STAGES Non-Final OA BASF CORPORATION
18847804 MAINTENANCE ASSISTANCE DEVICE, AND MAINTENANCE ASSISTANCE METHOD Final Rejection Hitachi, Ltd.

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Frequently Asked Questions

What is examiner Pan G Choy's allowance rate?

24.5% of resolved applications examined by Pan G Choy were allowed (469 resolved cases), compared with 45.4% across Art Unit 2129 over the last five years.

Does an interview help with examiner Pan G Choy?

This examiner's interview lift is +35.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Pan G Choy take to allow a patent?

Applications allowed by Pan G Choy took 1,708 days on average from filing to allowance.

Which art unit does examiner Pan G Choy work in?

Pan G Choy examines applications in Art Unit 2129 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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