Prosecution Insights
Last updated: October 26, 2026

Kevin K Pyo, USPTO Patent Examiner

Listed by the USPTO as PYO, KEVIN K

Tech Center 2800 • Art Units: 2871 2872 2877 2878

This examiner grants 87% of resolved cases

Analysis

PYO, KEVIN K is assigned to Tech Center 2800 and Art Unit 2871. Across 887 resolved cases, the allowance rate is 87.0%, the interview lift is 9.9%, and the median time to allowance is 813 days. The high allowance outcome and shorter median indicate a docket where allowance is common without a large measured interview effect.

Samsung Electronics Co., Ltd., Canon Inc., and Sumitomo Electric Industries Ltd. are the leading companies. HESLIN ROTHENBERG FARLEY & MESITI PC-Angiodynamics, HSML P.C., and McDonald Hopkins LLC are the leading firms. Practitioners should focus on clear claim positioning and efficient response practice.

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

Performance Statistics

87.0%
Allow Rate
+19.0% vs TC avg
904
Total Applications
+9.9%
Interview Lift
813
Avg Prosecution Days
Based on 887 resolved cases, 2023–2026

Rejection Statute Breakdown

2.2%
§101 Eligibility
28.7%
§102 Novelty
45.5%
§103 Obviousness
19.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18947891 OPTICAL MEASUREMENT APPARATUS AND OPTICAL MEASUREMENT METHOD Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
19061689 PHOTOELECTRIC CONVERSION DEVICE Non-Final OA CANON KABUSHIKI KAISHA
18880891 MEASURING METHOD AND MEASURING DEVICE OF OPTICAL CHARACTERISTICS OF MULTI-CORE OPTICAL FIBER Non-Final OA SUMITOMO ELECTRIC INDUSTRIES, LTD.
18998698 REFLECTIVE TYPE OPTICAL SCALE FOR ENCODER, REFLECTIVE TYPE OPTICAL ENCODER, METHOD FOR PRODUCING REFLECTIVE TYPE OPTICAL SCALE FOR ENCODER, AND MULTI-SURFACE ATTACHING REFLECTIVE TYPE OPTICAL SCALE FOR ENCODER Non-Final OA DAI NIPPON PRINTING CO., LTD

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Frequently Asked Questions

What is examiner Kevin K Pyo's allowance rate?

87.0% of resolved applications examined by Kevin K Pyo were allowed (887 resolved cases), compared with 59.1% across Art Unit 2871 over the last five years.

Does an interview help with examiner Kevin K Pyo?

This examiner's interview lift is +9.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Kevin K Pyo take to allow a patent?

Applications allowed by Kevin K Pyo took 813 days on average from filing to allowance.

Which art unit does examiner Kevin K Pyo work in?

Kevin K Pyo examines applications in Art Unit 2871 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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