Prosecution Insights
Last updated: October 26, 2026

Jason Y Ko, USPTO Patent Examiner

Listed by the USPTO as KO, JASON Y

Tech Center 3600 • Art Units: 1711 1718 1792 3637

This examiner grants 76% of resolved cases

Analysis

KO, JASON Y works in tech center 3600 and art unit 1711. The profile records 1105 resolved cases, an allowance rate of 75.7%, and a median of 1075 days to allowance. The substantial record indicates that allowance occurred in most resolved matters, while the median timing shows that prosecution commonly extends over a lengthy period.

The interview lift is 16.7%, supporting interviews as a useful supplement to written prosecution. Practitioners may use that channel to clarify claim scope, identify the examiner's central concern, and preserve a focused written record. The listed companies are LG Electronics Inc., WHIRLPOOL Corporation, and Fuji Electric Co., Ltd. The listed firms are Bryan Cave Leighton Paisner LLP (DC), FOLEY & LARDNER LLP, and PRICE HENEVELD LLP.

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

Performance Statistics

75.7%
Allow Rate
+23.7% vs TC avg
1,122
Total Applications
+16.7%
Interview Lift
1075
Avg Prosecution Days
Based on 1105 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
21.8%
§102 Novelty
47.3%
§103 Obviousness
23.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18873709 APPARATUS FOR TREATING LAUNDRY Non-Final OA LG ELECTRONICS INC.
18839538 LAUNDRY PROCESSING DEVICE AND CONTROL METHOD THEREOF Non-Final OA LG ELECTRONICS INC.
18728244 LAUNDRY TREATING APPARATUS, AND CONTROL METHOD THEREOF Non-Final OA LG ELECTRONICS INC.
18937735 DISHWASHER INCLUDING A DRYING APPARATUS Non-Final OA SAMSUNG ELECTRONICS CO., LTD.
18588437 METHOD FOR SELECTING CHEMICAL AGENTS FOR REMOVING SCALE Final Rejection FUJI ELECTRIC CO., LTD.
18920170 LOCAL GAS PATH DRIVEN PASSIVE PURGE FOR OPTICAL PROBE Non-Final OA RTX Corporation
18761838 REMOVABLE FLUID PUMPING AND FILTRATION APPARATUS Non-Final OA WHIRLPOOL CORPORATION

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Frequently Asked Questions

What is examiner Jason Y Ko's allowance rate?

75.7% of resolved applications examined by Jason Y Ko were allowed (1,105 resolved cases), compared with 63.9% across Art Unit 1711 over the last five years.

Does an interview help with examiner Jason Y Ko?

This examiner's interview lift is +16.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Jason Y Ko take to allow a patent?

Applications allowed by Jason Y Ko took 1,075 days on average from filing to allowance.

Which art unit does examiner Jason Y Ko work in?

Jason Y Ko examines applications in Art Unit 1711 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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