Prosecution Insights
Last updated: October 26, 2026

Tha-O H Bui, USPTO Patent Examiner

Listed by the USPTO as BUI, THA-O H

Tech Center 2800 • Art Units: 2824 2825 2827

This examiner grants 88% of resolved cases

Analysis

BUI, THA-O H works in technology center 2800 and art unit 2824. The record contains 1000 resolved cases, an allowance rate of 88.3%, and a median of 792 days to allowance. Interviews are associated with a 3.8% lift. The figures show frequent allowance outcomes and a comparatively limited interview association, suggesting that applicants should not assume interview participation will materially change results without a well-defined prosecution objective.

The listed companies are Taiwan Semiconductor Manufacturing Company, Ltd., Micron Technology Inc., and KIOXIA Corporation. The listed firms are Bayes PLLC, BIRCH STEWART KOLASCH & BIRCH, LLP, and HOLTZ, HOLTZ & VOLEK PC. Counsel can use the profile to place semiconductor matters in context and to align amendment, argument, and interview decisions with the reported allowance pattern.

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

Performance Statistics

88.3%
Allow Rate
+20.3% vs TC avg
1,018
Total Applications
+3.8%
Interview Lift
792
Avg Prosecution Days
Based on 1000 resolved cases, 2023–2026

Rejection Statute Breakdown

2.0%
§101 Eligibility
21.3%
§102 Novelty
53.6%
§103 Obviousness
11.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18787950 Three-Dimensional Phase-Change Memory Array Operable to Perform Multiplication Accumulation Operations Non-Final OA Micron Technology, Inc.
18741633 THREE-DIMENSIONAL NOR MEMORY DEVICE FOR MULTIPLY-ACCUMULATE OPERATIONS Final Rejection Micron Technology, Inc.
18740905 MEMORY DEVICE Non-Final OA Kioxia Corporation
19000218 READ PATH BIT-LINE PRECHARGE ARCHITECTURE FOR MULTI-VOLTAGE RAM Non-Final OA NVIDIA Corporation
19054181 SEMICONDUCTOR MEMORY DEVICE AND OPERATING METHOD THEREOF Non-Final OA SK hynix Inc.
19038298 Novel Bank Design with Differential Bulk Bias in eFuse Array Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
18790426 STRUCTURE FOR MULTIPLE SENSE AMPLIFIERS OF MEMORY DEVICE Final Rejection TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
19184312 One-Time Programmable (OTP) Memory and Method of Operating the Same Non-Final OA Taiwan Semiconductor Manufacturing Company Limited

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Frequently Asked Questions

What is examiner Tha-O H Bui's allowance rate?

88.3% of resolved applications examined by Tha-O H Bui were allowed (1,000 resolved cases), compared with 86.6% across Art Unit 2824 over the last five years.

Does an interview help with examiner Tha-O H Bui?

This examiner's interview lift is +3.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Tha-O H Bui take to allow a patent?

Applications allowed by Tha-O H Bui took 792 days on average from filing to allowance.

Which art unit does examiner Tha-O H Bui work in?

Tha-O H Bui examines applications in Art Unit 2824 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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