Prosecution Insights
Last updated: October 26, 2026

Joseph Cullen Merchlinsky, USPTO Patent Examiner

Listed by the USPTO as MERCHLINSKY, JOSEPH CULLEN

Tech Center 1700 • Art Units: 1613 1791

This examiner grants 6% of resolved cases

Performance Statistics

5.9%
Allow Rate
-59.1% vs TC avg
71
Total Applications
-6.3%
Interview Lift
1121
Avg Prosecution Days
Based on 17 resolved cases, 2023–2026

Rejection Statute Breakdown

1.7%
§101 Eligibility
16.7%
§102 Novelty
54.6%
§103 Obviousness
25.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18724186 METHOD FOR PRODUCING BIOMASS GRANULES WITH IMPROVED FLUIDITY Non-Final OA CJ CheilJedang Corporation
18715109 NATURAL SUGAR-FREE SYRUP, AND PRODUCTION METHOD THEREOF Non-Final OA CJ CHEILJEDANG CORPORATION
18899630 OIL-IN-WATER TYPE EMULSION COMPOSITION AND BEVERAGE CONTAINING SAME Non-Final OA MITSUBISHI CHEMICAL CORPORATION
17904315 COCOA COMPOSITION Final Rejection CARGILL, INCORPORATED

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Frequently Asked Questions

What is examiner Joseph Cullen Merchlinsky's allowance rate?

5.9% of resolved applications examined by Joseph Cullen Merchlinsky were allowed (17 resolved cases), compared with 34.0% across Art Unit 1613 over the last five years.

Does an interview help with examiner Joseph Cullen Merchlinsky?

This examiner's interview lift is -6.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Joseph Cullen Merchlinsky take to allow a patent?

Applications allowed by Joseph Cullen Merchlinsky took 1,121 days on average from filing to allowance.

Which art unit does examiner Joseph Cullen Merchlinsky work in?

Joseph Cullen Merchlinsky examines applications in Art Unit 1613 in Tech Center 1700 (Chemistry & Materials).

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