Prosecution Insights
Last updated: October 25, 2026

Yue Yin Choi, USPTO Patent Examiner

Listed by the USPTO as CHOI, YUE YIN

Tech Center 3600 • Art Units: 3685 3697 3699

This examiner grants 60% of resolved cases

Analysis

CHOI, YUE YIN is assigned to Tech Center 3600 and Art Unit 3685. The profile reports 155 resolved cases, a 60.0% allowance rate, and a median of 1399 days to allowance. Interview lift is 8.2%, showing a positive but limited association between interviews and allowance outcomes in the reported cases.

Suku Labs Inc., PayPal Inc., and Visa International Service Association are the leading companies in the record. The principal firms are Baker Botts L.L.P., BANNER & WITCOFF, LTD, and Bradley Arant Boult Cummings - Nashville. The median timing points to a prosecution docket where applicants may need to preserve flexibility for continued examination rather than relying on a quick resolution.

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

Performance Statistics

60.0%
Allow Rate
+8.0% vs TC avg
183
Total Applications
+8.2%
Interview Lift
1399
Avg Prosecution Days
Based on 155 resolved cases, 2023–2026

Rejection Statute Breakdown

27.0%
§101 Eligibility
6.9%
§102 Novelty
47.6%
§103 Obviousness
14.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19575468 TRANSFER OF BLOCKCHAIN UNITS TO A BLOCKCHAIN ADDRESS ASSOCIATED WITH AN UNREGISTERED PHONE NUMBER Final Rejection Suku Labs, Inc.
18060906 Digital Format Custodial Services Non-Final OA Bank Of America Corporation
17545192 UTILIZATION OF BIOMETRICS IN CREATION OF SECURE KEY OR DIGITAL SIGNATURE Final Rejection PayPal, Inc.
19196067 INSTANT TOKEN ISSUANCE Non-Final OA Visa International Service Association
18087019 THIN NETWORK TRANSACTION INTEGRATION SERVICES Final Rejection NCR Voyix Corporation
18779320 SYSTEM AND METHOD FOR SIMPLIFYING FRAUD DETECTION IN PAYMENT TRANSACTIONS FROM TRUSTED ACCOUNTS Final Rejection Early Warning Services, LLC
19179523 METHOD AND SYSTEM FOR SERVER OVERLOAD PROTECTION Non-Final OA DISNEY ENTERPRISES, INC.
17784745 METHOD AND SYSTEM, DEVICE AND PAYMENT TERMINAL USING PERSONAL DATA Final Rejection BANKS AND ACQUIRERS INTERNATIONAL HOLDING
19213730 METHOD AND SYSTEM FOR DETECTING ABNORMAL TRANSACTION BETWEEN COMPUTING DEVICES IN A COMMUNICATION NETWORK USING VALID TRANSACTION PATTERN Non-Final OA KakaoBank Corp.
16637113 VIRTUAL CURRENCY DATA ISSUING SYSTEM, USER TERMINAL, MANAGEMENT DEVICE, METHOD, AND COMPUTER PROGRAM Final Rejection NTI, Inc.
18999949 SYSTEMS AND METHODS FOR CONDUCTING CHALLENGES ON SOCIAL MEDIA PLATFORMS Non-Final OA INMO, LLC
18813436 MINTING AND TRANSACTING TOKENIZED DIFFERENTIATED ENERGY ATTRIBUTES USING BLOCKCHAIN Non-Final OA Earn DLT, Inc.
18780962 SECURE CHECK PROCESSING SYSTEM AND RELATED METHOD Final Rejection iWallet, Inc.
18731425 SECURE CHECK PROCESSING SYSTEM AND RELATED METHOD Final Rejection iWallet, Inc.
18184953 SYSTEM FOR FACILITATING SECURE ELECTRONIC COMMUNICATIONS BETWEEN ENTITIES AND PROCESSING RESOURCE TRANSFERS Final Rejection HashLynx Inc.
18119517 SYSTEMS AND METHODS FOR REMOTE TRANSACTION CONTROL USING A HIERARCHICAL DATA STRUCTURE Final Rejection U.S. Bancorp, National Association
18078970 METHODS AND SYSTEMS FOR MANAGEMENT OF A BLOCKCHAIN-BASED COMPUTER-ENABLED NETWORKED ECOSYSTEM Final Rejection Rajeev Malhotra

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Frequently Asked Questions

What is examiner Yue Yin Choi's allowance rate?

60.0% of resolved applications examined by Yue Yin Choi were allowed (155 resolved cases), compared with 40.6% across Art Unit 3685 over the last five years.

Does an interview help with examiner Yue Yin Choi?

This examiner's interview lift is +8.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Yue Yin Choi take to allow a patent?

Applications allowed by Yue Yin Choi took 1,399 days on average from filing to allowance.

Which art unit does examiner Yue Yin Choi work in?

Yue Yin Choi examines applications in Art Unit 3685 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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