Prosecution Insights
Last updated: April 19, 2026

Examiner: STIGELL, THEODORE J

Tech Center 3700 • Art Units: 3763 3783

This examiner grants 78% of resolved cases

Performance Statistics

78.3%
Allow Rate
+8.3% vs TC avg
1290
Total Applications
+14.6%
Interview Lift
1222
Avg Prosecution Days
Based on 1245 resolved cases, 2023–2026

Rejection Statute Breakdown

0.8%
§101 Eligibility
31.7%
§102 Novelty
31.3%
§103 Obviousness
21.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17995198 Subcutaneous Port With Locking Member Non-Final OA Takeda Pharmaceutical Company Limited
18295386 DRUG DELIVERY DEVICE WITH INCREASED SAFETY Non-Final OA Ypsomed AG
18032014 DRUG DELIVERY DEVICE ASSEMBLY AND ACCESSORY FOR DRUG DELIVERY DEVICE Final Rejection AMGEN INC.
17997193 WOUND EDGE DIFFUSER Non-Final OA Fisher & Paykel Healthcare Limited
19211805 ON-BODY INTERLOCK FOR DRUG DELIVERY DEVICE Non-Final OA INSULET CORPORATION
18047071 ESTABLISHING AND MAINTAINING VACUUM IN THE RESERVOIR OF A DRUG DELIVERY DEVICE Final Rejection INSULET CORPORATION
17970816 SYSTEMS AND METHODS FOR PRODUCING MIXTURES Final Rejection Boston Scientific Scimed, Inc.
18104448 Infusion Systems for In-Line Disinfection of Infusates and Methods Thereof Final Rejection Bard Access Systems, Inc.
17590132 INTRAVENOUS SET TIMER DEVICE Final Rejection CareFusion 303, Inc.
18539290 RESIN-COATED WIRE AND DRUG SOLUTION INJECTION DEVICE Non-Final OA Asahi Intecc Co., Ltd.
18021399 DUAL FUNCTION BALLOON CATHETER FOR CROSSING A LESION AND PERFORMING PERCUTANEOUS TRANSLUMINAL ANGIOPLASTY Final Rejection BARD PERIPHERAL VASCULAR, INC.
17533933 HANDHELD PRINTER FOR ENHANCED MIXING AND DELIVERY OF MULTI-COMPONENT POLYMERS/BIOMATERIALS Non-Final OA Rowan University
17073506 HANDHELD PRINTER FOR CONTROLLED MIXING AND DELIVERY OF MULTI-COMPONENT POLYMERS/BIOMATERIALS Final Rejection Rowan University
17995428 BOTULINUM TOXIN PRE-FILLED INJECTABLE FORMULATION THAT FACILITATES DISCHARGE RATE CONTROL AND IS STABLE Final Rejection MEDYTOX INC.
18245191 Minimally Invasive and Semi-Automated Myocardial Injection Device Non-Final OA University of South Carolina
18638615 ACCESS PORT SYSTEM WITH SELF-ADJUSTING CATHETER LENGTH Non-Final OA IMOTIK BIOSOLUTIONS LLC
18036650 BILATERALLY DRIVEN DRUG INFUSION SYSTEM Final Rejection MEDTRUM TECHNOLOGIES INC.
18102231 ULTRASOUND-PLACED PAIN MANAGEMENT SYSTEM AND METHOD WITH SUBCUTANEOUS CATHETER Final Rejection Maho Med Tech, LLC
17025768 NEEDLE-FREE INJECTOR FOR LARGE-SCALE, MULTI-DOSE APPLICATIONS Non-Final OA PORTAL INSTRUMENTS, INC.
18539695 CATHETERS WITH LASER CUT HYPOTUBE SCAFFOLD FOR FLOW UNDER SIGNIFICANT PRESSURE DIFFERENTIALS Non-Final OA ROUTE 92 MEDICAL, INC.
18516843 MEDICAL FLUID INJECTOR Non-Final OA Astraporta, Inc.
18561179 CAPSULE DEVICE WITH AN APERTURE FORMED BY A WALL PART OF ONE OF TWO HALF-CAPSULE SHELLS Non-Final OA EsoCap AG
18257005 TRAPPING BALLOON CATHETER Non-Final OA Togo Medikit Co.,Ltd.
17797970 EXTENDABLE NEEDLE Non-Final OA UNIVERSITY OF MARYLAND, BALTIMORE
17795341 WINGED CAPSULE Non-Final OA Elanco Tiergesundheit AG
17866744 SYSTEMS FOR TREATING TISSUE Non-Final OA REVELLE AESTHETICS, INC.
18026027 ULTRASOUND FLEXURAL WAVEGUIDE Non-Final OA Suono Bio, Inc.
18042727 CANNULA AND METHOD FOR PRODUCING A CANNULA Non-Final OA Xenios AG
17794423 DEVICE, APPARATUS AND A METHOD FOR MINIMISING THE DISPERSAL OF PATHOGENS INTO THE ENVIRONMENT DURING INSUFFLATING OF A CAVITY IN A SUBJECT Non-Final OA PALLIARE LIMITED
18012976 METHODS AND DEVICES FOR TROCAR PLACEMENT Final Rejection BIOTEX, INC.

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