Prosecution Insights
Last updated: May 29, 2026

Examiner: PELLEGRINO, BRIAN E

Tech Center 3700 • Art Units: 3738 3774 3799

This examiner grants 55% of resolved cases

Performance Statistics

55.3%
Allow Rate
-14.7% vs TC avg
706
Total Applications
+35.2%
Interview Lift
1799
Avg Prosecution Days
Based on 656 resolved cases, 2023–2026

Rejection Statute Breakdown

0.2%
§101 Eligibility
3.9%
§102 Novelty
80.2%
§103 Obviousness
6.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17843997 DEVICES, SYSTEMS, AND METHODS FOR TREATMENT OF DUCT OCCLUSION Final Rejection Purdue Research Foundation
18462079 ASSEMBLY OF HEART VALVES AND INTERMEDIATE ADAPTER STENT Final Rejection EDWARDS LIFESCIENCES CORPORATION
18460795 IN-VIVO INDWELLING STENT AND STENT DELIVERY SYSTEM Non-Final OA Terumo Kabushiki Kaisha
18032752 KIDNEY STONE MANAGEMENT Non-Final OA GYRUS ACMI, INC. D/B/A OLYMPUS SURGICAL TECHNOLOGIES AMERICA
18057459 IMPLANTABLE DEVICES AND TECHNIQUES FOR ONCOPLASTIC SURGERY Non-Final OA HOLOGIC, INC.
17747406 LUMEN APPOSING STENT TO DELIVER TARGETED THERAPY Non-Final OA BOSTON SCIENTIFIC SCIMED, INC.
18460853 POSTERIOR STABILIZED KNEE PROSTHESIS SYSTEM Non-Final OA Aesculap AG
17981221 CARDIAC VALVE REPAIR DEVICES, AND ASSOCIATED METHODS AND SYSTEMS Non-Final OA Medtronic, Inc.
16429677 FUNCTION MARKER ELEMENT AND METHOD FOR PRODUCTION THEREOF Final Rejection CORTRONIK GMBH
18306340 COATED ITEMS AND MANUFACTURING THEREOF Non-Final OA Picosun Oy
18255763 MITRAL VALVE IMPLANTS Non-Final OA SHIFAMED HOLDINGS, LLC
18043499 INTERFACE FOR PROSTHETIC CARDIAC VALVE AND DELIVERY SYSTEMS Non-Final OA SHIFAMED HOLDINGS, LLC
18358479 DEVICE, SYSTEM, AND METHOD FOR TRANSCATHETER TREATMENT OF VALVULAR REGURGITATION Non-Final OA Polares Medical Inc.
18613843 TISSUE PRODUCTS WITH VARIATIONS IN MECHANICAL PROPERTIES AND METHODS OF TREATMENT Non-Final OA LifeCell Corporation
18277636 AUXETIC WEB STRUCTURE OR FIELD STRUCTURE, AND USE Non-Final OA Christian-Albrechts-Universitaet zu Kiel
17868296 SUPPORT RING, AORTIC PROSTHESIS AND METHOD OF FORMING Non-Final OA Bolton Medical, Inc.
18372410 ANKLE ARTHROPLASTY DEVICES, SYSTEMS, AND METHODS Non-Final OA Vilex LLC
18280234 ADJUSTABLE OVERLAYING LINER-PROSTHESIS INTERFACE AND CORRESPONDING METHOD Non-Final OA ETHNOCARE INC.
17786476 MEDICAL SYSTEM FOR TREATING STENOSIS IN INTRACRANIAL VESSELS Final Rejection Acandis GmbH
18038013 Delivery Device and Delivery System Non-Final OA Shenzhen Lifevalve Medical Scientific Co. Ltd.
18034387 BEADED COMPONENT, MANUFACTURING METHOD AND APPLICATION THEREOF Non-Final OA ACCUMEDICAL BEIJING LTD.
18247695 CONSTRUCTIVE ARRANGEMENT INTRODUCED IN ENDOPROSTHESIS Final Rejection BRAILE BIOMEDICA INDUSTRIA COMERCIO E REPRESENTACOES LTDA.
18021113 FILLING/CUSHIONING MEMBER FOR SKIN GRAFTS ON AURICULAR SKIN DEFECTS Non-Final OA SAKURA SEIKI CO., LTD.
18015390 Silicone Stent, Implantation System, and Manufacturing Method Non-Final OA THE FIRST AFFILIATED HOSPITAL OF SOOCHOW UNIVERSITY
17998922 ELASTIN FORMATION USING FIBROUS IMPLANTS Final Rejection STENTIT BV
17395404 RADIOPAQUE MARKER ASSEMBLY Final Rejection Vactronix Scientific LLC

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