Prosecution Insights
Last updated: October 27, 2026

Ivan A Greene, USPTO Patent Examiner

Listed by the USPTO as GREENE, IVAN A

Tech Center 3700 • Art Units: 1619 1638 1654 3783 3786

This examiner grants 19% of resolved cases

Analysis

Ivan A. Greene is a USPTO patent examiner in tech center 3700 and art unit 1619. The profile covers 606 resolved cases, with an allowance rate of 18.8% and a median of 1690 days to allowance. The interview lift is 6.1%, indicating a limited measured association between interviews and allowance outcomes. The 18.8% allowance rate and 1690-day median together describe a prosecution record in which applicants should plan for substantial examination time and carefully developed claim positions.

The listed companies are L'Oréal, Vector Vitale Ip LLC, and Boehringer Ingelheim International GmbH. The leading firms are FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER, Liang & Hennessey LLP, and BANNER & WITCOFF, LTD. These organizations provide useful context for the examiner's life sciences and consumer-product docket.

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

Performance Statistics

18.8%
Allow Rate
-51.2% vs TC avg
681
Total Applications
+6.1%
Interview Lift
1690
Avg Prosecution Days
Based on 606 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
8.1%
§102 Novelty
46.2%
§103 Obviousness
26.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18989164 PHARMACEUTICAL COMPOSITION, METHODS FOR TREATING AND USES THEREOF Non-Final OA Boehringer Ingelheim International GmbH
18564588 MRNA DELIVERY USING LIPID NANOPARTICLES Non-Final OA THE UNIVERSITY OF BRITISH COLUMBIA
18576696 COMPOSITIONS AND METHODS FOR DECREASING PIGMENTATION Non-Final OA The General Hospital Corporation
17916115 MESOPOROUS SILICA NANOPARTICLES, METHODS OF MAKING, AND METHODS OF USING Non-Final OA UNM RAINFOREST INNOVATIONS
18543657 COMPOSITIONS CONTAINING ACTIVE AGENT AND UV PROTECTION PROPERTIES Final Rejection L'OREAL
18706770 COSMETIC Final Rejection SHISEIDO COMPANY, LTD.
18210144 MICRONEEDLE SYSTEM FOR THE DELIVERY OF INTERFERON Non-Final OA LTS LOHMANN THERAPIE-SYSTEME AG

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Frequently Asked Questions

What is examiner Ivan A Greene's allowance rate?

18.8% of resolved applications examined by Ivan A Greene were allowed (606 resolved cases), compared with 22.7% across Art Unit 1619 over the last five years.

Does an interview help with examiner Ivan A Greene?

This examiner's interview lift is +6.1 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Ivan A Greene take to allow a patent?

Applications allowed by Ivan A Greene took 1,690 days on average from filing to allowance.

Which art unit does examiner Ivan A Greene work in?

Ivan A Greene examines applications in Art Unit 1619 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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