Prosecution Insights
Last updated: October 26, 2026

Brian E Pellegrino, USPTO Patent Examiner

Listed by the USPTO as PELLEGRINO, BRIAN E

Tech Center 3700 • Art Units: 3738 3774 3799

This examiner grants 55% of resolved cases

Analysis

PELLEGRINO, BRIAN E has resolved 677 cases in Tech Center 3700 and Art Unit 3738. The allowance rate is 55.4%, while the median time to allowance is 1782 days. The profile points to a comparatively demanding prosecution environment, with both the allowance rate and timeline requiring careful portfolio planning.

The interview lift is 35.9%, indicating that interviews are strongly associated with improved allowance outcomes in the recorded cases. Edwards Lifesciences Corporation, Zimmer Inc., and Ossur Iceland ehf are the leading companies. Brooks Kushman P.C., CESARI AND MCKENNA, LLP, and Chiesa Shahinian & Giantomasi PC are the listed firms. Interview preparation and focused claim negotiation may be important parts of prosecution strategy.

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

Performance Statistics

55.4%
Allow Rate
-14.6% vs TC avg
727
Total Applications
+35.9%
Interview Lift
1782
Avg Prosecution Days
Based on 677 resolved cases, 2023–2026

Rejection Statute Breakdown

1.3%
§101 Eligibility
19.5%
§102 Novelty
45.1%
§103 Obviousness
27.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18675625 STENT INCLUDING ANTI-MIGRATION CAPABILITIES Non-Final OA BOSTON SCIENTIFIC SCIMED, INC.
18775235 PROSTHETIC VALVE ACTUATOR ATTACHMENT STATUS DETECTION SYSTEM Non-Final OA EDWARDS LIFESCIENCES CORPORATION
18772519 ACTUATION BOLT ASSEMBLY FOR A PROSTHETIC VALVE Non-Final OA EDWARDS LIFESCIENCES CORPORATION
18640973 PROSTHETIC VALVE WITH IMPROVED WASHOUT Non-Final OA EDWARDS LIFESCIENCES CORPORATION
18430453 MECHANICALLY-EXPANDABLE PROSTHETIC HEART VALVE Final Rejection EDWARDS LIFESCIENCES CORPORATION
17981221 CARDIAC VALVE REPAIR DEVICES, AND ASSOCIATED METHODS AND SYSTEMS Final Rejection Medtronic, Inc.
18497229 IMPLANT DEVICE Final Rejection WALDEMAR LINK GmbH & Co. KG
18961417 BIOFILM MATERIAL, METHOD FOR PREPARING SAME, USE THEREOF, AND ARTIFICIAL HEART VALVE Non-Final OA VENUS MEDTECH (HANGZHOU) INC.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Brian E Pellegrino's allowance rate?

55.4% of resolved applications examined by Brian E Pellegrino were allowed (677 resolved cases), compared with 0.0% across Art Unit 3738 over the last five years.

Does an interview help with examiner Brian E Pellegrino?

This examiner's interview lift is +35.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Brian E Pellegrino take to allow a patent?

Applications allowed by Brian E Pellegrino took 1,782 days on average from filing to allowance.

Which art unit does examiner Brian E Pellegrino work in?

Brian E Pellegrino examines applications in Art Unit 3738 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month