Prosecution Insights
Last updated: April 19, 2026

Examiner: WIEST, PHILIP R

Tech Center 3700 • Art Units: 3761 3781

This examiner grants 81% of resolved cases

Performance Statistics

81.2%
Allow Rate
+11.2% vs TC avg
960
Total Applications
+16.6%
Interview Lift
1196
Avg Prosecution Days
Based on 933 resolved cases, 2023–2026

Rejection Statute Breakdown

1.0%
§101 Eligibility
22.0%
§102 Novelty
40.2%
§103 Obviousness
19.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17909799 Configurable System To Automate Blood Component Manufacturing Processes Non-Final OA Fenwal, Inc.
19303322 METHOD AND APPARATUS FOR CATHETER-BASED EXTRACORPOREAL MEMBRANE OXYGENATION (ECMO) Non-Final OA Vantis Vascular, Inc.
19056723 METHOD AND APPARATUS FOR CATHETER-BASED EXTRACORPOREAL MEMBRANE OXYGENATION (ECMO) Final Rejection Vantis Vascular, Inc.
19278558 DEVICES AND METHODS FOR EXTRACORPOREAL CONDITIONING OF BLOOD Non-Final OA Michigan Critical Care Consultants, Inc.
18589495 ABSORBENT ARTICLE WITH NARROW STABILIZATION ELEMENT Non-Final OA The Procter & Gamble Company
18551832 PORTABLE HEMODIALYSIS SYSTEMS Non-Final OA University of Washington
18094535 ENDOVASCULAR APPARATUS FOR PERFUSING ORGANS IN A BODY Non-Final OA University of Pittsburgh - Of the Commonwealth System of Higher Education
17752745 APPARATUSES AND METHODS FOR NEGATIVE PRESSURE WOUND THERAPY Non-Final OA Smith & Nephew, Inc.
17926307 METHOD OF MONITORING BLOOD CIRCULATION, DIALYSIS DEVICE, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM Non-Final OA NIPRO CORPORATION
18572304 DRAINAGE SYSTEM INCLUDING FLUID COLLECTION APPARATUS HAVING A SELECTABLE NEGATIVE PRESSURE FOR DRAINING AND COLLECTING BODILY FLUIDS FROM A BODY CAVITY Non-Final OA BARD PERIPHERAL VASCULAR, INC.
18546790 METHOD AND DEVICE FOR DISCONNECTION Non-Final OA FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
18319874 IMPLANTABLE PUMP FOR EYE DISEASE MANAGEMENT Non-Final OA Verily Life Sciences LLC
18260394 WHEELCHAIR SECURABLE URINE COLLECTION SYSTEMS AND RELATED METHODS Non-Final OA PureWick Corporation
18103035 Methods And Systems For High-Throughput Blood Component Collection Non-Final OA Terumo BCT, Inc.
18396143 THERAPEUTIC COMPOSITIONS FOR VIRAL-ASSOCIATED DISEASE STATES AND METHODS OF MAKING AND USING SAME Non-Final OA Immutrix Therapeutics, Inc.
17660306 BIORESORBABLE OCULAR DRUG DELIVERY DEVICE Final Rejection Glaukos Corporation
17821353 CEREBRAL SPINAL FLUID SHUNT PLUG Non-Final OA Longeviti Neuro Solutions, Inc.
17499656 LACRIMAL IMPLANT DETECTION Final Rejection Mati Therapeutics, Inc.

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