Prosecution Insights
Last updated: October 02, 2026

Examiner: MCGRATH, ERIN E

Tech Center 4100 • Art Units: 3742 3761 3771 3796 4100

This examiner grants 60% of resolved cases

Analysis

Erin E. McGrath is an examiner in Tech Center 4100 and Art Unit 3742. The data for this examiner includes 445 resolved cases, which establish an allowance rate of 60.0 percent. This volume of cases provides a statistical profile for practitioners to analyze. This figure indicates the level of grants for applications processed through Art Unit 3742.

The interview lift is 28.8 percent, showing that direct engagement with the examiner provides a benefit to the chances of allowance. This lift represents an increase over the 60.0 percent baseline. Practitioners can use this 28.8 percent lift to evaluate the use of an interview during the prosecution process.

The median days to allowance is 1299. This duration reflects the timeframe for an application to reach grant under this examiner's review. The 1299-day median is a factor for applicants to consider when planning patent timelines. With 445 resolved cases, the allowance rate and the 1299-day median provide a set of metrics for navigating Art Unit 3742.

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

Performance Statistics

60.1%
Allow Rate
At TC average
483
Total Applications
+28.6%
Interview Lift
1298
Avg Prosecution Days
Based on 446 resolved cases, 2023–2026

Rejection Statute Breakdown

0.6%
§101 Eligibility
15.4%
§102 Novelty
49.2%
§103 Obviousness
33.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17785494 SYSTEM AND METHOD FOR CONTROLLING AN ULTRASONIC SURGICAL SYSTEM Final Rejection Covidien LP
17867256 GASKET WITH EXTERNAL SEALING FEATURES FOR INTRODUCER SHEATH Non-Final OA Boston Scientific Scimed, Inc.
18541175 MEDICAL SYSTEMS, DEVICES, AND RELATED METHODS Non-Final OA BOSTON SCIENTIFIC MEDICAL DEVICE LIMITED
18850363 System And Methods For Providing Tamponade And Suction-Based Treatment To A Uterus Non-Final OA Stryker Corporation
18839526 SYSTEM AND METHOD FOR ALIGNING MOVEMENT DIRECTION OF INTERVENTIONAL DEVICE IN IMAGE AND CONTROL DIRECTION OF COMMANDS ENTERED BY USER Final Rejection KONINKLIJKE PHILIPS N.V.
18432767 OPHTHALMOSCOPIC CONTACT LENSES Final Rejection Alcon Inc.
18828650 ULTRASONIC TRANSDUCER, ULTRASONIC TREATMENT TOOL AND METHOD OF PRODUCING ULTRASONIC TRANSDUCER Final Rejection Olympus Medical Systems Corp.
18280420 INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM Final Rejection THE UNIVERSITY OF TOKYO
18899278 MEDICAL DEVICE Final Rejection TERUMO KABUSHIKI KAISHA
18799764 VIBRATIONAL AND ROTATIONAL CALCULUS BASKET Final Rejection GYRUS ACMI, INC D/B/A OLYMPUS SURGICAL TECHNOLOGIES AMERICA

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