Prosecution Insights
Last updated: October 02, 2026

Examiner: FREHE, WILLIAM R

Tech Center 3700 • Art Units: 3763 3783

This examiner grants 60% of resolved cases

Analysis

Within Tech Center 3700 and Art Unit 3763, Examiner William R Frehe has handled 394 resolved cases. The allowance rate for these cases is 59.9 percent. This figure serves as a reference for the likelihood of success. A median days to allowance of 1379 defines the prosecution timeline. This duration is a consideration for applicants when managing their portfolios.

Data shows an interview lift of 42.5 percent. With 394 resolved cases, this lift indicates the impact of communication on results. The 1379 days to allowance provides a standard for pendency. The 59.9 percent allowance rate and the Art Unit 3763 designation help determine a prosecution approach for the case. These data points from Tech Center 3700 support planning for the patent process.

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

Performance Statistics

59.9%
Allow Rate
-10.1% vs TC avg
451
Total Applications
+42.5%
Interview Lift
1379
Avg Prosecution Days
Based on 394 resolved cases, 2023–2026

Rejection Statute Breakdown

0.9%
§101 Eligibility
13.3%
§102 Novelty
55.3%
§103 Obviousness
25.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
16376738 MINIMALLY INVASIVE SYSTEMS WITH EXPANDABLE SUPPORT AND PROXIMAL OPENING FOR HEMOSTASIS IN A BLEEDING CLOSED TISSUE VOLUME Final Rejection PROCEPT BioRobotics Corporation
18388372 BREAST PUMP DEVICE Final Rejection SHENZHEN LUTE JIACHENG SUPPLY CHAIN MANAGEMENT CO., LTD.
19275711 Methods and Devices for Controlling Biologic Microenvironments Final Rejection P Tech, LLC
17992521 Clip Syringe Non-Final OA Becton, Dickinson and Company
18288450 Coded Housing Components for an Injection Device Non-Final OA Sanofi
19022661 Auto-Injector Non-Final OA Sanofi-Aventis Deutschland GMBH
19022613 Auto-Injector Non-Final OA Sanofi-Aventis Deutschland GMBH
19022302 Auto-Injector Final Rejection Sanofi-Aventis Deutschland GMBH
18159719 DRUG DELIVERY DEVICE Final Rejection Sanofi-Aventis Deutschland GMBH
17057561 Automatic Drug Delivery Device Non-Final OA Novartis AG
18667929 INFUSION PUMP SYSTEM AND METHOD Non-Final OA Insulet Corporation
18636455 Infusion Pump Assembly Non-Final OA DEKA Products Limited Partnership
18198692 SUB-ASSEMBLY OF A MEDICAMENT DELIVERY DEVICE AND A MEDICAMENT DELIVERY DEVICE Final Rejection SHL MEDICAL AG
18550650 SOUND-DETECTION BASED INJECTION TIME MEASUREMENT SYSTEM FOR DRUG DELIVERY DEVICES Non-Final OA AMGEN INC.
18550647 DRUG DELIVERY DEVICE Non-Final OA AMGEN INC.
16632904 APPARATUS AND METHOD FOR LINKING AND EVALUATING INFORMATION IN CLINICAL DATA IN A MEDICAL DEVICE Final Rejection NOVANTA MEDICAL GMBH

Facing This Examiner?

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

Build Your Strategy

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