Prosecution Insights
Last updated: October 26, 2026

John Olszewski, USPTO Patent Examiner

Listed by the USPTO as OLSZEWSKI, JOHN

Tech Center 3600 • Art Units: 3611 3617 3618 3669

This examiner grants 63% of resolved cases

Analysis

OLSZEWSKI, JOHN is assigned to tech center 3600 and art unit 3611. His profile records 306 resolved cases, a 63.4% allowance rate, and a median of 999 days to allowance. Interview lift is 18.8%, which indicates a positive relationship between interviews and allowance outcomes in the available data.

The principal companies are Volvo Group, Exedy Corporation, and Aisin Corporation. The listed firms are Knobbe, Martens, Olson & Bear, LLP, Lathrop GPM LLP, and Law Offices of James Zhou. The case volume supplies a meaningful, though not extensive, historical base. Practitioners can reasonably consider interviews as part of prosecution planning, while allowing for a median timeline that may affect continuation, foreign filing, and client budgeting decisions.

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

Performance Statistics

63.4%
Allow Rate
+11.4% vs TC avg
324
Total Applications
+18.8%
Interview Lift
999
Avg Prosecution Days
Based on 306 resolved cases, 2023–2026

Rejection Statute Breakdown

1.8%
§101 Eligibility
27.8%
§102 Novelty
47.0%
§103 Obviousness
20.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19143679 RESILIENT DUST COVER FOR FAN CLUTCH ASSEMBLY Final Rejection Volvo Truck Corporation
18873063 VEHICLE PARKING DEVICE Non-Final OA AISIN CORPORATION
18754286 CONTROL OF WHEEL HUB CLUTCH, WHEEL HUB, WHEEL END SYSTEM, AXLE, DRIVETRAIN, AND VEHICLE Final Rejection Consolidated Metco, Inc.

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Frequently Asked Questions

What is examiner John Olszewski's allowance rate?

63.4% of resolved applications examined by John Olszewski were allowed (306 resolved cases), compared with 67.1% across Art Unit 3611 over the last five years.

Does an interview help with examiner John Olszewski?

This examiner's interview lift is +18.8 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 Olszewski take to allow a patent?

Applications allowed by John Olszewski took 999 days on average from filing to allowance.

Which art unit does examiner John Olszewski work in?

John Olszewski examines applications in Art Unit 3611 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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