Prosecution Insights
Last updated: April 19, 2026

Examiner: WITTLIFF, KATERINA ANNA

Tech Center 3700 • Art Units: 2841 3783

This examiner grants 57% of resolved cases

Performance Statistics

57.1%
Allow Rate
-12.9% vs TC avg
62
Total Applications
-57.1%
Interview Lift
1340
Avg Prosecution Days
Based on 7 resolved cases, 2023–2026

Rejection Statute Breakdown

2.6%
§101 Eligibility
24.6%
§102 Novelty
53.1%
§103 Obviousness
19.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17728670 Tunneled Intravascular Catheters, Catheter Systems, and Related Methods Final Rejection Ohio State Innovation Foundation
17770349 DRUG DELIVERY SYSTEM AND METHOD OF USE Non-Final OA AMGEN INC.
17764655 DRUG COATED BALLOON Final Rejection W. L. Gore & Associates, Inc.
17690672 Blood Infusion System for Controlling Concentration of Calcium in Blood Infusate Final Rejection The Medical College of Wisconsin, Inc.
17791163 MEDICAL INSTRUMENT AND MEDICAL DEVICE Non-Final OA FURUKAWA ELECTRIC CO., LTD.
18037113 BREAST SHIELD FOR A BREAST PUMP Non-Final OA KONINKLIJKE PHILIPS N.V.
18057258 CATHETER Non-Final OA TERUMO KABUSHIKI KAISHA
17789442 SYSTEM AND METHOD FOR ADMINISTERING A MEDICAL FLUID TO A PATIENT Final Rejection Fresenius Vial SAS
17779463 MEDICATION DELIVERY DEVICE WITH SENSING SYSTEM Non-Final OA Eli Lilly and Company
17573582 SYSTEM AND METHOD FOR REDUCED INFUSION ADMINISTRATION LINE ERROR Non-Final OA CareFusion 303, Inc.
17859643 System and Method for Pressure Sensor Based Empty Reservoir Detection for a Drug Delivery Device Final Rejection Becton, Dickinson and Company
17852574 Protective Cover for a Medical Device Final Rejection Becton, Dickinson and Company
17851641 Instrument Advancement Device Configured for Septum Engagement Final Rejection Becton, Dickinson and Company
17734501 CORRELATION BETWEEN INTRAPERITONEAL PRESSURE ("IPP") MEASUREMENTS AND PATIENT INTRAPERITONEAL VOLUME ("IPV") METHODS, APPARATUSES, AND SYSTEMS Final Rejection BAXTER HEALTHCARE SA
17763154 Vascular Access Systems and Methods Thereof Final Rejection Bard Peripheral Vascular, Inc.
17828794 Compositions And Methods For Treating With A Combination Of Alternating Electric Fields And Trastuzumab Non-Final OA NOVOCURE GMBH
18231997 Clip on Torque Device for Endovascular Procedures Non-Final OA Wisconsin Alumni Research Foundation
17852480 METALLIC SUPPORT STRUCTURE IN THE DRIVE ARM/HEAD OF A MEDICAL FLUID PUMP Final Rejection B. Braun Melsungen AG
18372237 SYRINGE TIP HAVING BLADE DIRECTION AND DISCHARGE DIRECTION ALIGNED WITH EACH OTHER Non-Final OA SHOFU INC.
18257942 MEDICATION DELIVERY DEVICE Non-Final OA BPREX PHARMA PACKAGING INDIA PVT. LTD.
18256927 INJECTION END POINT SIGNALLING DEVICE FOR PRE-FILLED SYRINGES Non-Final OA BIOCORP PRODUCTION S.A.
17917578 MONITORING FLUID BALANCE Non-Final OA ELMEDIX NV
17621803 MICROPLASMA INTEGRATED ARRAY OTOSCOPE SPECULUM AND EAR TREATMENT METHODS Non-Final OA The Board of Trustees of the University of lllinois
17626191 PROTECTIVE CAP FOR ATTACHMENT TO A NEEDLE STICK PROTECTION DEVICE FOR A SYRINGE, SYRINGE SAFETY SYSTEM AND SYRINGE SYSTEM Final Rejection Schreiner Group GmbH & Co. KG
17748199 FLUID DELIVERY SYSTEMS AND METHODS OF TREATMENT Non-Final OA ALCYONE THERAPEUTICS, INC.
17709245 SELF-SIZING DEVICE FOR DELIVERING A FORMULATION TO A LUMEN WALL Final Rejection Rani Therapeutics, LLC

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