Prosecution Insights
Last updated: October 02, 2026

Examiner: STIGELL, THEODORE J

Tech Center 3700 • Art Units: 3763 3783 3792

This examiner grants 78% of resolved cases

Analysis

Theodore J. Stigell is a patent examiner in Tech Center 3700 and Art Unit 3763. He has a substantial record of 1275 resolved cases. The examiner maintains an allowance rate of 78.3 percent, which indicates that a large majority of applications reach issuance. This percentage suggests that the examination process in this unit frequently results in a grant for the applicant.

The median time to allowance is 1180 days. This timeframe provides a clear expectation for the duration of the prosecution cycle, showing that successful applications reach issuance within this median period. This duration is a key characteristic of the examiner's historical data and is an important consideration for practitioners managing patent portfolios in Tech Center 3700.

The data also shows an interview lift of 14.9 percent. This metric indicates that the probability of allowance increases when an interview is conducted, even with a base allowance rate of 78.3 percent. With 1275 resolved cases, these figures represent a stable set of outcomes for practitioners. The combination of the allowance rate and the median days to allowance defines the typical experience for applicants in Art Unit 3763.

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

Performance Statistics

78.3%
Allow Rate
+8.3% vs TC avg
1,309
Total Applications
+14.9%
Interview Lift
1180
Avg Prosecution Days
Based on 1275 resolved cases, 2023–2026

Rejection Statute Breakdown

1.3%
§101 Eligibility
28.8%
§102 Novelty
33.2%
§103 Obviousness
21.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18323756 ROBOTIC DRIVE SYSTEM FOR FACILITATING TREATMENTS OF THE NEUROVASCULATURE AND METHODS OF USE Non-Final OA Route 92 Medical, Inc.
18653276 MEDICAL DEVICES AND RELATED METHODS FOR CONTROLLING AND/OR LOCKING A NEEDLE Non-Final OA Boston Scientific Scimed, Inc.
17970816 SYSTEMS AND METHODS FOR PRODUCING MIXTURES Final Rejection Boston Scientific Scimed, Inc.
17567620 IMPLANTATION NEEDLE FOR INSERTING A SUBCUTANEOUSLY INSERTABLE ELEMENT INTO A BODY TISSUE Non-Final OA Roche Diabetes Care, Inc.
18173673 POINT OF CARE DRUG DELIVERY APPARATUS AND METHOD Final Rejection Genentech, Inc.
18837186 DYNAMICALLY RIGIDIZING COMPOSITE MEDICAL STRUCTURES Non-Final OA Neptune Medical Inc.
18588540 SYSTEMS AND METHODS FOR DETECTING FLUID INFILTRATION Non-Final OA Welch Allyn, Inc.
18344494 AUTO-INJECTOR AND RELATED METHODS OF USE Final Rejection Regeneron Pharmaceuticals, Inc.
18390785 Control of Irrigation in a Phacoemulsification System Final Rejection JOHNSON & JOHNSON SURGICAL VISION, INC.
18168275 FLEXIBLE RADIOPAQUE CATHETER SHAFT Final Rejection Medtronic, Inc.
18726745 SYSTEMS AND METHODS FOR IRRIGATING AN ANATOMIC SPACE Non-Final OA The General Hospital Corporation
18539290 RESIN-COATED WIRE AND DRUG SOLUTION INJECTION DEVICE Final Rejection Asahi Intecc Co., Ltd.
18772862 Connector Assembly Non-Final OA Becton, Dickinson and Company
18890386 CATHETER ASSEMBLY Non-Final OA TERUMO KABUSHIKI KAISHA
18347672 MEDICAL DEVICE Non-Final OA TERUMO KABUSHIKI KAISHA
18345812 MALE CONNECTOR AND MEDICAL DEVICE Non-Final OA Terumo Kabushiki Kaisha
18245191 Minimally Invasive and Semi-Automated Myocardial Injection Device Final Rejection University of South Carolina
19211805 ON-BODY INTERLOCK FOR DRUG DELIVERY DEVICE Non-Final OA INSULET CORPORATION
18694103 GLUCOSE MONITOR INJECTION PORT Final Rejection INSULET CORPORATION
18497431 APPARATUS AND METHOD FOR CONTROLLING INJECTION OF DRUG INTO OBJECT, AND RECORDING MEDIUM STORING COMPUTER PROGRAM FOR PERFORMING THE METHOD Non-Final OA IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
18687942 Activation member and subassembly for a medicament delivery device Non-Final OA SHL Medical AG
18302160 NEEDLE-FREE INJECTOR Final Rejection JEISYS MEDICAL INC.
18687754 Mechanical Clamshell Cathlock Non-Final OA Bard Peripheral Vascular, Inc.
18709360 PERITONEAL DIALYSIS SYSTEM HAVING A CAPILLARY PATIENT LINE FILTER Non-Final OA BAXTER HEALTHCARE SA
17795341 WINGED CAPSULE Final Rejection Elanco Tiergesundheit AG

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