Prosecution Insights
Last updated: April 19, 2026

Examiner: SPENCER, MAXIMILIAN TOBIAS

Tech Center 3700 • Art Units: 3771 3774

This examiner grants 33% of resolved cases

Performance Statistics

32.8%
Allow Rate
-37.2% vs TC avg
110
Total Applications
+32.3%
Interview Lift
1047
Avg Prosecution Days
Based on 61 resolved cases, 2023–2026

Rejection Statute Breakdown

1.5%
§101 Eligibility
17.0%
§102 Novelty
61.8%
§103 Obviousness
18.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17671180 PROSTHETIC HEART VALVES Final Rejection Edwards Lifesciences Corporation
19341062 DEVICES, SYSTEMS AND METHODS FOR IMPROVING RECAPTURE OF PROSTHTIC HEART VALVE DEVICE WITH STENT FRAME HAVING VALVE SUPPORT WITH INWARDLY STENT CELLS Final Rejection 4C Medical Technologies, Inc.
17762839 ANCHORS FOR MITRAL CHORDAE REPAIR Non-Final OA W. L. Gore & Associates, Inc.
17849534 System and Method for an Improved Redundant Crossfire Circuit in a Fully Integrated Neurostimulation Device and Its Use in Neurotherapy Non-Final OA Regents of the University of Minnesota
17677421 CONTAINER FOR BONE MATERIAL STORAGE, MIXING AND DELIVERY Non-Final OA Warsaw Orthopedic, Inc.
17928501 ARTIFICIAL BLOOD VESSEL Final Rejection HI-LEX CORPORATION
17999638 PROSTHETIC-FOOT INSERT AND FORCE-TRANSMISSION ELEMENT, AND SYSTEM COMPOSED THEREOF Final Rejection OTTOBOCK SE & CO. KGAA
17054400 ARTIFICIAL FOOT Final Rejection Ottobock SE & Co. KGaA
18252484 DECELLULARIZED TISSUE/POLYMER MULTI-COMPONENT BIOMATERIALS Non-Final OA YISSUM RESEARCH DEVELOPMENT COMPANY OF THE HEBREW UNIVERSITY OF JERUSALEM LTD
16924051 SYSTEMS AND METHODS FOR VARIABLE STIFFNESS TETHERS Final Rejection Ancora Heart, Inc.
18249938 SOLUTION ELECTROWRITING Non-Final OA CORNELL UNIVERSITY
18016831 METHOD FOR CONTROLLING A PROSTHESIS OR ORTHESIS Final Rejection Otto Bock Healthcare Products GmbH
18016829 METHOD FOR CONTROLLING A PROSTHESIS OR ORTHESIS Final Rejection Otto Bock Healthcare Products GmbH
18056934 ORTHOPEDIC DEVICE Final Rejection OTTO BOCK HEALTHCARE PRODUCTS GMBH
18038948 Membrane-Covered Stent Non-Final OA Lifetech Scientific (Shenzhen) Co. Ltd.
18546287 TEXTURED SURFACES OF BIOCOMPATIBLE POLYMERIC MATERIALS Non-Final OA INSTRUCTURE LABS B.V.
18264599 TOTAL ELBOW REPLACEMENT PROSTHESIS Non-Final OA Fitzbionics Limited
18224080 METHODS AND ASSEMBLIES FOR DEPLOYING BILIARY STENTS Non-Final OA ENDO GI MEDICAL LTD.
17996227 MEDICAL IMPLANT, MEDICAL DEVICE, SEPARATION DEVICE, FELTING DEVICE AND METHODS Non-Final OA ZURIMED TECHNOLOGIES AG
17924920 MODULAR PROSTHESIS SYSTEM Final Rejection Scinetics, Inc.
18041250 DEVICES AND METHODS TO HARVEST ELECTRICAL ENERGY FROM ELECTROMOTIVE FORCE Non-Final OA LOMA LINDA UNIVERSITY HEALTH
17764055 ARTIFICIAL ESOPHAGEAL STRUCTURE HAVING MULTI-LAYER STRUCTURE USING THREE-DIMENSIONAL BIO-PRINTING, AND MANUFACTURING DEVICE AND MANUFACTURING METHOD THEREFOR Non-Final OA THE CATHOLIC UNIVERSITY OF KOREA INDUSTRY- ACADEMI COOPERATION FOUNDATION
17623971 HYBRID-TYPE KNEE PROSTHESIS APPARATUS HAVING MULTI-FUNCTIONAL ROTARY HYDRAULIC CYLINDER Non-Final OA KOREA LABOR WELFARE CORPORATION CO., LTD.
17621804 PLUG-SHAPED IMPLANT FOR THE REPLACEMENT AND REGENERATION OF BIOLOGICAL TISSUE AND METHOD FOR PREPARING THE IMPLANT Final Rejection JOINTSPHERE B.V.
17332075 TEXTILE PRODUCTS HAVING A SEALANT OR COATING Final Rejection Hothouse Medical Limited

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