Prosecution Insights
Last updated: October 26, 2026

Aaron J Kosar, USPTO Patent Examiner

Listed by the USPTO as KOSAR, AARON J

Tech Center 3600 • Art Units: 1651 1655 1657 3653

This examiner grants 71% of resolved cases

Analysis

KOSAR, AARON J works in tech center 3600 and art unit 1651. The profile shows 784 resolved cases, an allowance rate of 71.3%, and a median of 1259 days to allowance. The interview lift is 29.7%, meaning the interview-associated cases in this record had a higher allowance outcome than the overall rate.

Nicoventures Trading Limited, Philip Morris International Inc., and Imperial College Innovations Limited are the listed companies. The principal firms are Antoinette G Giugliano PC, Biospark Intellectual Property Law, and FisherBroyles, LLP. The combination of a substantial case record and positive interview lift makes interview preparation a practical part of prosecution planning. The median timing indicates that applicants should also account for a lengthy path to allowance when setting portfolio expectations and coordinating related filings.

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

Performance Statistics

71.3%
Allow Rate
+19.3% vs TC avg
805
Total Applications
+29.7%
Interview Lift
1259
Avg Prosecution Days
Based on 784 resolved cases, 2023–2026

Rejection Statute Breakdown

9.2%
§101 Eligibility
16.4%
§102 Novelty
30.6%
§103 Obviousness
29.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18580066 COMPOSITION COMPRISING A CONSTITUENT, DERIVATIVE OR EXTRACT OF CANNABIS Non-Final OA Nicoventures Trading Limited
18335561 SOFT, CHEWABLE AND ORALLY DISSOLVABLE AND/OR DISINTEGRABLE PRODUCTS Non-Final OA Philip Morris USA Inc.

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Frequently Asked Questions

What is examiner Aaron J Kosar's allowance rate?

71.3% of resolved applications examined by Aaron J Kosar were allowed (784 resolved cases), compared with 31.6% across Art Unit 1651 over the last five years.

Does an interview help with examiner Aaron J Kosar?

This examiner's interview lift is +29.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Aaron J Kosar take to allow a patent?

Applications allowed by Aaron J Kosar took 1,259 days on average from filing to allowance.

Which art unit does examiner Aaron J Kosar work in?

Aaron J Kosar examines applications in Art Unit 1651 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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