Prosecution Insights
Last updated: October 26, 2026

Ko-Wei Lin, USPTO Patent Examiner

Listed by the USPTO as LIN, KO-WEI

Tech Center 3700 • Art Units: 1731 3743 3749 3761 3762

This examiner grants 76% of resolved cases

Analysis

LIN, KO-WEI is assigned to USPTO tech center 3700 and art unit 1731. The profile includes 838 resolved cases, a 76.1% allowance rate, a 20.1% interview lift, and a median of 1118 days to allowance. The substantial record and meaningful interview measure support a prosecution plan that combines technically focused written responses with well-defined examiner discussions.

Samsung Electronics Co., Ltd., Illinois Tool Works Inc., and Edwards Limited are the listed companies. Bookoff McAndrews, PLLC, AVEK IP, LLC (OP Orig), and Brown, Winick, Graves, Gross, Baskerville are the leading firms. The industrial and electronics mix makes clear explanation of component relationships and operating results important.

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

Performance Statistics

76.1%
Allow Rate
+6.1% vs TC avg
867
Total Applications
+20.1%
Interview Lift
1118
Avg Prosecution Days
Based on 838 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
14.4%
§102 Novelty
46.3%
§103 Obviousness
36.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18231075 COOKING APPARATUS Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18767061 Actuating Mechanism for Actuating a Plurality of Air-Guiding Elements of an Air Vent for a Vehicle, as well as Air Vents Having Such an Actuating Mechanism Non-Final OA Illinois Tool Works Inc.
18669117 METHOD AND SYSTEM FOR CONTROLLING FRESH AIR VENTILATION OF AN AIR HANDLING UNIT OF AN HVAC SYSTEM Non-Final OA Honeywell International Inc.

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Frequently Asked Questions

What is examiner Ko-Wei Lin's allowance rate?

76.1% of resolved applications examined by Ko-Wei Lin were allowed (838 resolved cases), compared with 55.4% across Art Unit 1731 over the last five years.

Does an interview help with examiner Ko-Wei Lin?

This examiner's interview lift is +20.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Ko-Wei Lin take to allow a patent?

Applications allowed by Ko-Wei Lin took 1,118 days on average from filing to allowance.

Which art unit does examiner Ko-Wei Lin work in?

Ko-Wei Lin examines applications in Art Unit 1731 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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