Prosecution Insights
Last updated: October 26, 2026

Ly D Pham, USPTO Patent Examiner

Listed by the USPTO as PHAM, LY D

Tech Center 2800 • Art Units: 2827

This examiner grants 94% of resolved cases

Analysis

PHAM, LY D handles cases in tech center 2800 and art unit 2827. The profile records 1052 resolved cases, a 94.0% allowance rate, and a median of 637 days to allowance. The 3.4% interview lift indicates a limited positive association between interviews and allowance outcomes.

Micron Technology Inc., STMicroelectronics N.V., and Samsung Electronics Co., Ltd. are the leading listed companies. The listed firms are CROWE & DUNLEVY - ST, Dorsey & Whitney LLP - MTI (Nelson), and HOFFMAN WARNICK LLC. The high allowance measure and relatively short median timeline support prompt, precise written prosecution, with interviews used selectively for issues that require clarification.

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

Performance Statistics

94.0%
Allow Rate
+26.0% vs TC avg
1,067
Total Applications
+3.4%
Interview Lift
637
Avg Prosecution Days
Based on 1052 resolved cases, 2023–2026

Rejection Statute Breakdown

8.3%
§101 Eligibility
38.8%
§102 Novelty
24.0%
§103 Obviousness
12.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19019968 DRIVING METHOD OF SEMICONDUCTOR DEVICE Non-Final OA SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
19012470 FINITE TIME COUNTING PERIOD COUNTING OF INFINITE DATA STREAMS Non-Final OA Micron Technology, Inc.
18890624 MULTI-STEP PRE-READ FOR WRITE OPERATIONS IN MEMORY DEVICES Final Rejection Micron Technology, Inc.
18985285 ATOMIC COMPARE AND SWAP IN A COHERENT CACHE SYSTEM Non-Final OA TEXAS INSTRUMENTS INCORPORATED
18884842 HYBRID TEST READ SCHEME USING IN-NAND PARTIAL CHECKSUM Non-Final OA SK hynix Inc.
19022053 METHOD OF INITIALIZING BIT LINES IN PHASE CHANGE MEMORIES, CORRESPONDING DEVICE AND COMPUTER PROGRAM PRODUCT Non-Final OA STMicroelectronics International N.V.
18958125 PHASE CHANGE MEMORY CELL HAVING A HEATER WITH ACTIVATED RESISTANCE IN TEMPERATURE, AND IN-MEMORY COMPUTATION CIRCUIT USING SUCH A PHASE CHANGE MEMORY CELL Non-Final OA STMicroelectronics International N.V.

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Frequently Asked Questions

What is examiner Ly D Pham's allowance rate?

94.0% of resolved applications examined by Ly D Pham were allowed (1,052 resolved cases), compared with 90.0% across Art Unit 2827 over the last five years.

Does an interview help with examiner Ly D Pham?

This examiner's interview lift is +3.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Ly D Pham take to allow a patent?

Applications allowed by Ly D Pham took 637 days on average from filing to allowance.

Which art unit does examiner Ly D Pham work in?

Ly D Pham examines applications in Art Unit 2827 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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