Prosecution Insights
Last updated: October 27, 2026

Ellen M Mcavoy, USPTO Patent Examiner

Listed by the USPTO as MCAVOY, ELLEN M

Tech Center 1700 • Art Units: 1771 1772 1797

This examiner grants 73% of resolved cases

Analysis

MCAVOY, ELLEN M handles cases in Tech Center 1700 and Art Unit 1771. The profile covers 1234 resolved cases, with a 72.9% allowance rate and a median of 940 days to allowance. The substantial record supports using these figures as a meaningful description of the examiner's observed prosecution outcomes and timing.

The interview lift is 8.9%, indicating a modest positive association between interviews and allowance outcomes. The recurring companies are Chevron U.S.A. Inc., Chevron Japan Ltd., and Chevron Corporation. The leading firms are FOLEY & LARDNER LLP, IP & T GROUP LLP, and Norton Rose Fulbright US LLP. Practitioners can use the applicant and firm mix to identify relevant experience, while planning for a prosecution cycle reflected by the reported median.

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

Performance Statistics

72.9%
Allow Rate
+7.9% vs TC avg
1,259
Total Applications
+8.9%
Interview Lift
940
Avg Prosecution Days
Based on 1234 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
4.9%
§102 Novelty
61.3%
§103 Obviousness
13.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18727577 PROCESSING OF STABILISED COMPOSITIONS COMPRISING OLEFINS Non-Final OA TotalEnergies OneTech
18905769 ISOPARAFFINIC AND ISO-OLEFINIC DISTILLATE COMPOSITIONS Non-Final OA EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY
19099077 NITROGEN REMOVAL FROM REFORMER FEEDSTOCK COMPRISING RECYCLED CONTENT Non-Final OA Eastman Chemical Company
18874677 METHODS FOR MAKING LIGHT OLEFINS BY DEHYDROGENATION THAT UTILIZE COMUBUSTION ADDITIVES Non-Final OA Dow Global Technologies LLC

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Frequently Asked Questions

What is examiner Ellen M Mcavoy's allowance rate?

72.9% of resolved applications examined by Ellen M Mcavoy were allowed (1,234 resolved cases), compared with 53.8% across Art Unit 1771 over the last five years.

Does an interview help with examiner Ellen M Mcavoy?

This examiner's interview lift is +8.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Ellen M Mcavoy take to allow a patent?

Applications allowed by Ellen M Mcavoy took 940 days on average from filing to allowance.

Which art unit does examiner Ellen M Mcavoy work in?

Ellen M Mcavoy examines applications in Art Unit 1771 in Tech Center 1700 (Chemistry & Materials).

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