Prosecution Insights
Last updated: May 29, 2026

Examiner: STIGELL, THEODORE J

Tech Center 3700 • Art Units: 3763 3783 3792

This examiner grants 78% of resolved cases

Performance Statistics

78.2%
Allow Rate
+8.2% vs TC avg
1,300
Total Applications
+14.7%
Interview Lift
1178
Avg Prosecution Days
Based on 1250 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
18.1%
§102 Novelty
46.9%
§103 Obviousness
9.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18295386 DRUG DELIVERY DEVICE WITH INCREASED SAFETY Non-Final OA Ypsomed AG
17997193 WOUND EDGE DIFFUSER Non-Final OA Fisher & Paykel Healthcare Limited
17939899 PUNCTURE NEEDLE, CATHETER ASSEMBLY, AND VASCULAR PUNCTURE SYSTEM Final Rejection TERUMO KABUSHIKI KAISHA
17970816 SYSTEMS AND METHODS FOR PRODUCING MIXTURES Final Rejection Boston Scientific Scimed, Inc.
18034523 Electronic system for a drug delivery device and drug delivery device Non-Final OA Sanofi
18168275 FLEXIBLE RADIOPAQUE CATHETER SHAFT Non-Final OA Medtronic, Inc.
18302160 NEEDLE-FREE INJECTOR Non-Final OA JEISYS MEDICAL INC.
17073506 HANDHELD PRINTER FOR CONTROLLED MIXING AND DELIVERY OF MULTI-COMPONENT POLYMERS/BIOMATERIALS Final Rejection Rowan University
18042727 CANNULA AND METHOD FOR PRODUCING A CANNULA Final Rejection Xenios AG
17995428 BOTULINUM TOXIN PRE-FILLED INJECTABLE FORMULATION THAT FACILITATES DISCHARGE RATE CONTROL AND IS STABLE Final Rejection MEDYTOX INC.
18638615 ACCESS PORT SYSTEM WITH SELF-ADJUSTING CATHETER LENGTH Non-Final OA IMOTIK BIOSOLUTIONS LLC
18036650 BILATERALLY DRIVEN DRUG INFUSION SYSTEM Non-Final OA MEDTRUM TECHNOLOGIES INC.
18245191 Minimally Invasive and Semi-Automated Myocardial Injection Device Non-Final OA University of South Carolina
18102231 ULTRASOUND-PLACED PAIN MANAGEMENT SYSTEM AND METHOD WITH SUBCUTANEOUS CATHETER Final Rejection Maho Med Tech, LLC
17995198 Subcutaneous Port With Locking Member Non-Final OA Takeda Pharmaceutical Company Limited
17025768 NEEDLE-FREE INJECTOR FOR LARGE-SCALE, MULTI-DOSE APPLICATIONS Non-Final OA PORTAL INSTRUMENTS, INC.
17797970 EXTENDABLE NEEDLE Non-Final OA UNIVERSITY OF MARYLAND, BALTIMORE
18323756 ROBOTIC DRIVE SYSTEM FOR FACILITATING TREATMENTS OF THE NEUROVASCULATURE AND METHODS OF USE Non-Final OA Route 92 Medical, Inc.
17795341 WINGED CAPSULE Non-Final OA Elanco Tiergesundheit AG
18190106 CONTINUOUS FLUID IRRIGATION ASSEMBLY Final Rejection CREATIVE MEDICAL SOLUTIONS INC.
18026027 ULTRASOUND FLEXURAL WAVEGUIDE Non-Final OA Suono Bio, Inc.
18012976 METHODS AND DEVICES FOR TROCAR PLACEMENT Final Rejection BIOTEX, INC.
18076777 INTEGRATED PACKAGE FOR ADMINISTRATION OF LYOPHILIZED MEDICINES Final Rejection PSC BIOTECH CORPORATION
17954803 HELIUM PLASMA NUTATIONAL INFRASONIC LIPOSCULPTURE SYSTEM AND METHOD Non-Final OA Airsculpt Technologies, Inc.
17792127 DEVICE FOR DELIVERING MATERIAL BY APPLYING OPTIMUM INJECT CYCLE Non-Final OA ADDOBIO

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