Prosecution Insights
Last updated: October 26, 2026

John J Derusso, USPTO Patent Examiner

Listed by the USPTO as DERUSSO, JOHN J

Tech Center 4100 • Art Units: 1633 1742 1744 1792 3761 3774 4100

This examiner grants 80% of resolved cases

Analysis

DERUSSO, JOHN J is assigned to Tech Center 4100 and Art Unit 1633. His record includes 292 resolved cases, an 80.5% allowance rate, and a median of 957 days to allowance. Interviews show a 14.0% lift, which is positive but materially smaller than the overall allowance rate. The profile therefore supports attention to both ordinary prosecution and interview opportunities.

The listed companies are Canon Inc., Samsung Display Co., Ltd., and Heedae Park. The listed firms are Morgan, Lewis & Bockius LLP (WA), BIRCH STEWART KOLASCH & BIRCH, LLP, and CANTOR COLBURN LLP. Practitioners can use the company and firm activity as an indication of the technologies and representation patterns appearing in the docket, while tailoring strategy to each application.

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

Performance Statistics

80.5%
Allow Rate
+20.5% vs TC avg
323
Total Applications
+14.0%
Interview Lift
957
Avg Prosecution Days
Based on 292 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
18.8%
§102 Novelty
40.9%
§103 Obviousness
31.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18889675 CONVEYANCE APPARATUS, SHAPING APPARATUS, AND ARTICLE MANUFACTURING METHOD Non-Final OA CANON KABUSHIKI KAISHA
18257590 METHOD FOR LASER CUTTING DISPLAY MATERIALS AND DEVICE FOR LASER CUTTING DISPLAY MATERIALS Non-Final OA Samsung Display Co., LTD.
18652261 DISPLAY DEVICE OF INJECTION MOLDING MACHINE, AND INJECTION MOLDING MACHINE Final Rejection SUMITOMO HEAVY INDUSTRIES, LTD.
18440859 CONTROL DEVICE OF INJECTION MOLDING MACHINE, INJECTION MOLDING MACHINE, METHOD OF CONTROLLING INJECTION MOLDING MACHINE Final Rejection SUMITOMO HEAVY INDUSTRIES, LTD.

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Frequently Asked Questions

What is examiner John J Derusso's allowance rate?

80.5% of resolved applications examined by John J Derusso were allowed (292 resolved cases), compared with 34.8% across Art Unit 1633 over the last five years.

Does an interview help with examiner John J Derusso?

This examiner's interview lift is +14.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner John J Derusso take to allow a patent?

Applications allowed by John J Derusso took 957 days on average from filing to allowance.

Which art unit does examiner John J Derusso work in?

John J Derusso examines applications in Art Unit 1633 in Tech Center 4100.

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