Prosecution Insights
Last updated: October 02, 2026

Examiner: MCAVOY, ELLEN M

Tech Center 2800 • Art Units: 1771 1772 1797 2855

This examiner grants 73% of resolved cases

Analysis

Ellen M. McAvoy has resolved 1228 cases in Art Unit 1771, with an allowance rate of 72.8%. The median days to allowance is 941. This high volume of cases makes the data very reliable for Tech Center 2800. The interview lift is 8.7%, which provides a modest boost to the 72.8% baseline. This 8.7% lift suggests that interviews are a useful tool for resolving issues.

The 941-day median timeline is a standard expectation for this examiner. The 8.7% lift indicates that the examiner is responsive to direct engagement. With 1228 resolved cases, the 72.8% rate is a well-supported metric. The 941-day median provides a realistic timeframe for applicants to reach a final resolution. In Art Unit 1771, the 72.8% allowance rate is a strong indicator of success.

In Tech Center 2800, the 941-day median pendency is a key factor for planning. The 8.7% interview lift is a useful tool for resolving rejections. Applicants should use the 941-day median to manage expectations for patent issuance. The 1228 cases on record ensure that these metrics are statistically representative of the examiner's performance.

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

Performance Statistics

72.8%
Allow Rate
+4.8% vs TC avg
1,243
Total Applications
+8.7%
Interview Lift
941
Avg Prosecution Days
Based on 1228 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
5.0%
§102 Novelty
61.5%
§103 Obviousness
13.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18905769 ISOPARAFFINIC AND ISO-OLEFINIC DISTILLATE COMPOSITIONS Non-Final OA EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY
18727577 PROCESSING OF STABILISED COMPOSITIONS COMPRISING OLEFINS Non-Final OA TotalEnergies OneTech
18880257 CATALYST AND PROCESS TO MAKE RENEWABLE DIESEL AND SUSTAINABLE AVIATION FUEL Non-Final OA CHEVRON U.S.A. INC.
19099077 NITROGEN REMOVAL FROM REFORMER FEEDSTOCK COMPRISING RECYCLED CONTENT Non-Final OA Eastman Chemical Company
18992751 SYSTEMS AND METHODS OF PRODUCING OLEFINS AND/OR AROMATICS BY LOW AND MEDIUM SEVERITY AQUAPROCESSING FOLLOWED BY HIGH SEVERITY AQUAPROCESSING AND STEAM CRACKING Non-Final OA SABIC GLOBAL TECHNOLOGIES B.V.
18874677 METHODS FOR MAKING LIGHT OLEFINS BY DEHYDROGENATION THAT UTILIZE COMUBUSTION ADDITIVES Non-Final OA Dow Global Technologies LLC
18873123 LUBRICATING OIL COMPOSITION WITH VISCOSITY MODIFIER WITH LOW SHEAR STABILITY INDEX Non-Final OA CHEVRON ORONITE COMPANY LLC
18995665 GREASE COMPOSITION AND RACK-AND-PINION-TYPE STEERING DEVICE FILLED WITH SAID GREASE COMPOSITION Final Rejection KYODO YUSHI CO., LTD.
18992222 PROCESS FOR BASE-CATALYZED REACTION OF SILICONES WITH HYDROTHERMAL OR SUPERCRITICAL WATER Non-Final OA Wacker Chemie AG
18957557 PROCESS FOR MAXIMIZING LIGHT OLEFINS VIA AROMATICS SATURATION IN FCC AND STEAM CRACKER BASED CRUDE TO CHEMICALS CONFIGURATION Non-Final OA Lummus Technology LLC
18943221 Lubricant Compositions Containing Low Phosphorus and Low Sulphated Ash Non-Final OA INFINEUM INTERNATIONAL LIMITED

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