Prosecution Insights
Last updated: October 27, 2026

William R Frehe, USPTO Patent Examiner

Listed by the USPTO as FREHE, WILLIAM R

Tech Center 3700 • Art Units: 3763 3783

This examiner grants 60% of resolved cases

Analysis

FREHE, WILLIAM R has resolved 395 cases in Tech Center 3700 and Art Unit 3763. The allowance rate is 59.7%, and the median time to allowance is 1379 days. The 42.2% interview lift is the profile’s strongest prosecution signal, indicating that carefully prepared examiner engagement may be especially important when pursuing allowance in this docket.

The listed companies include Sanofi S.A., Shenzhen Shijiebao Trading Co. Ltd., and Willow Innovations Inc. The representative firms are Fideli Law PLLC, Bond, Schoeneck & King, PLLC - SANOFI, and Bayes PLLC. Counsel should pair interview planning with realistic expectations about the allowance rate and the extended median timeline.

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

Performance Statistics

59.7%
Allow Rate
-10.3% vs TC avg
456
Total Applications
+42.2%
Interview Lift
1379
Avg Prosecution Days
Based on 395 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
13.8%
§102 Novelty
54.7%
§103 Obviousness
25.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17057561 Automatic Drug Delivery Device Non-Final OA Novartis AG
16376738 MINIMALLY INVASIVE SYSTEMS WITH EXPANDABLE SUPPORT AND PROXIMAL OPENING FOR HEMOSTASIS IN A BLEEDING CLOSED TISSUE VOLUME Final Rejection PROCEPT BioRobotics Corporation
19275711 Methods and Devices for Controlling Biologic Microenvironments Final Rejection P Tech, LLC
18550650 SOUND-DETECTION BASED INJECTION TIME MEASUREMENT SYSTEM FOR DRUG DELIVERY DEVICES Non-Final OA AMGEN INC.
18667929 INFUSION PUMP SYSTEM AND METHOD Non-Final OA Insulet Corporation
18388372 BREAST PUMP DEVICE Final Rejection SHENZHEN LUTE JIACHENG SUPPLY CHAIN MANAGEMENT CO., LTD.
18636455 Infusion Pump Assembly Non-Final OA DEKA Products Limited Partnership
18288450 Coded Housing Components for an Injection Device Non-Final OA Sanofi
19022661 Auto-Injector Non-Final OA Sanofi-Aventis Deutschland GMBH
19022302 Auto-Injector Final Rejection Sanofi-Aventis Deutschland GMBH
19022613 Auto-Injector Non-Final OA Sanofi-Aventis Deutschland GMBH
18159719 DRUG DELIVERY DEVICE Final Rejection Sanofi-Aventis Deutschland GMBH

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Frequently Asked Questions

What is examiner William R Frehe's allowance rate?

59.7% of resolved applications examined by William R Frehe were allowed (395 resolved cases), compared with 60.3% across Art Unit 3763 over the last five years.

Does an interview help with examiner William R Frehe?

This examiner's interview lift is +42.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner William R Frehe take to allow a patent?

Applications allowed by William R Frehe took 1,379 days on average from filing to allowance.

Which art unit does examiner William R Frehe work in?

William R Frehe examines applications in Art Unit 3763 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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