Prosecution Insights
Last updated: October 26, 2026

Han Yang, USPTO Patent Examiner

Listed by the USPTO as YANG, HAN

Tech Center 2800 • Art Units: 2431 2493 2496 2824

This examiner grants 92% of resolved cases

Analysis

YANG, HAN has 923 resolved cases, an allowance rate of 92.1%, and an interview lift of 11.7%. The median time to allowance is 792 days. The examiner works in tech center 2800 and art unit 2431. The substantial resolved-case base gives practitioners a meaningful record for evaluating prosecution timing and response strategy.

Micron Technology Inc., Snowflake Inc., and Samsung Electronics Co., Ltd. are the leading companies identified. CKC & Partners Co., LLC, DITTHAVONG, STEINER, & MLOTKOWSKI, and HAUPTMAN HAM, LLP are the leading firms. The interview figure supports using interviews selectively, while the allowance figure makes disciplined claim presentation and prompt resolution of examiner concerns important parts of counsel's approach.

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

Performance Statistics

92.1%
Allow Rate
+24.1% vs TC avg
948
Total Applications
+11.7%
Interview Lift
792
Avg Prosecution Days
Based on 923 resolved cases, 2023–2026

Rejection Statute Breakdown

4.8%
§101 Eligibility
35.5%
§102 Novelty
40.6%
§103 Obviousness
11.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18916863 MEMORY DEVICE, MEMORY SYSTEM, AND OPERATING METHOD OF MEMORY DEVICE Non-Final OA Samsung Electronics Co., Ltd.
19058830 BOUNDARY WL OFFSET CONTROL BASED ON TEMPERATURE Non-Final OA Micron Technology, Inc.
18989217 CONCURRENT SLOW-FAST MEMORY CELL PROGRAMMING Non-Final OA Micron Technology, Inc.
18944542 Memory Usage Configurations for Integrated Circuit Devices having Analog Inference Capability Non-Final OA Micron Technology, Inc.
19070730 Sub-Word Line Driver Placement For Memory Device Non-Final OA Taiwan Semiconductor Manufacturing Company, Ltd.
19059977 2T DRAM CELL WITH ASYMMETRIC PARASITIC CAPACITOR AND 2T DRAM CELL ARRAY Non-Final OA POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION

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Who Appears Before This Examiner

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Frequently Asked Questions

What is examiner Han Yang's allowance rate?

92.1% of resolved applications examined by Han Yang were allowed (923 resolved cases), compared with 76.5% across Art Unit 2431 over the last five years.

Does an interview help with examiner Han Yang?

This examiner's interview lift is +11.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Han Yang take to allow a patent?

Applications allowed by Han Yang took 792 days on average from filing to allowance.

Which art unit does examiner Han Yang work in?

Han Yang examines applications in Art Unit 2431 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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