Prosecution Insights
Last updated: October 26, 2026

Mark Eashoo, USPTO Patent Examiner

Listed by the USPTO as EASHOO, MARK

Tech Center 1700 • Art Units: 1732 1742 1748 1759 1767 1782 1796

This examiner grants 37% of resolved cases

Analysis

EASHOO, MARK examines applications in Tech Center 1700 and Art Unit 1732. The profile includes 152 resolved cases, an allowance rate of 36.8%, and an interview lift of 34.9%. Median time to allowance is 1273 days. The combination of the allowance and interview figures makes interview planning a material consideration, while the timing figure signals the need to account for an extended prosecution path.

The listed companies are Seiko Epson Corporation, Fujifilm Corporation, and Arkema France. The listed firms are OBLON, MCCLELLAND, MAIER & NEUSTADT, L.L.P., Boone IP Law, PLLC, and HARNESS DICKEY (DETROIT). Practitioners can use this record to prepare focused interviews and to manage client expectations about allowance prospects and prosecution duration.

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

Performance Statistics

36.8%
Allow Rate
-28.2% vs TC avg
249
Total Applications
+34.9%
Interview Lift
1273
Avg Prosecution Days
Based on 152 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
16.1%
§102 Novelty
53.5%
§103 Obviousness
20.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18493811 RESIN COMPOSITION FOR COATING, POLYMER, METHOD FOR PRODUCING POLYMER, COATING FILM, AND METHOD FOR MANUFACTURING THE SAME Non-Final OA FUJIFILM Corporation
18493812 RESIN COMPOSITION FOR COATING, POLYMER, METHOD FOR PRODUCING POLYMER, COATING FILM, AND METHOD FOR MANUFACTURING THE SAME Non-Final OA FUJIFILM Corporation
18071074 Non-White Textile Printing Ink Jet Ink Composition, Ink Set, And Recording Method Final Rejection SEIKO EPSON CORPORATION
17976531 AEROSOL CLEANING COMPOSITION Non-Final OA Illinois Tool Works Inc.
17627215 POLYESTER RESIN COMPOSITION AND MOLDED PRODUCT THEREOF Non-Final OA Toray Industries, Inc.
18630293 COMPOSITION, CIRCUIT BOARD, AND METHOD FOR PRODUCING COMPOSITION Non-Final OA DAIKIN INDUSTRIES, LTD.
18053864 HEAT-CURABLE MALEIMIDE RESIN COMPOSITION Final Rejection Shin-Etsu Chemical Co., Ltd.
18626530 AQUEOUS GLITTERING INK FOR MINIATURE PAINTING AND APPLICATORS Non-Final OA MITSUBISHI PENCIL COMPANY, LIMITED
18556037 Composition containing thermoplastic polyurethane and a copolymer having polyamide blocks and polyether blocks comprising amine chain ends Non-Final OA ARKEMA FRANCE
18286011 FLAME RETARDANT POLYAMIDE COMPOSITIONS, USES OF SAME AND PROCESSES FOR THE PREPARATION THEREOF Non-Final OA ARKEMA FRANCE
18472384 RESIN COMPOSITION, MOLDED ARTICLE, AND APPLICATIONS THEREOF Non-Final OA MITSUBISHI CHEMICAL CORPORATION
17600722 STAIN RESISTANT COATING COMPOSITION Final Rejection PPG Industries Ohio, Inc.
18042389 CALENDERED CELLULOSE ESTERS WITH LOW ACID GENERATION Non-Final OA Eastman Chemical Company
18275200 THERMOPLASTIC RESIN COMPOSITION, METHOD OF PREPARING THE SAME, AND MOLDED ARTICLE MANUFACTURED USING THE SAME Non-Final OA LG CHEM, LTD.

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Frequently Asked Questions

What is examiner Mark Eashoo's allowance rate?

36.8% of resolved applications examined by Mark Eashoo were allowed (152 resolved cases), compared with 53.6% across Art Unit 1732 over the last five years.

Does an interview help with examiner Mark Eashoo?

This examiner's interview lift is +34.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Mark Eashoo take to allow a patent?

Applications allowed by Mark Eashoo took 1,273 days on average from filing to allowance.

Which art unit does examiner Mark Eashoo work in?

Mark Eashoo examines applications in Art Unit 1732 in Tech Center 1700 (Chemistry & Materials).

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