Prosecution Insights
Last updated: April 19, 2026

Examiner: TAKENAKA, RISA

Tech Center 1600 • Art Units: 1632

This examiner grants 15% of resolved cases

Performance Statistics

15.4%
Allow Rate
-44.6% vs TC avg
52
Total Applications
+100.0%
Interview Lift
1560
Avg Prosecution Days
Based on 13 resolved cases, 2023–2026

Rejection Statute Breakdown

6.0%
§101 Eligibility
23.6%
§102 Novelty
30.2%
§103 Obviousness
31.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17779427 IN VITRO CELL BASED POTENCY ASSAY Final Rejection Merck Sharp & Dohme LLC
17607841 MODIFIED PLURIPOTENT CELLS Final Rejection THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
18069768 SCALING UP MYOGENIC TISSUE: LATE PASSAGE MYOGENICITY Non-Final OA Upside Foods, Inc.
17959809 BIOERODIBLE LIFE SUPPORT HYDROGELS FOR THE DELIVERY OF VIABLE MITOCHONDRIA Non-Final OA University of Kentucky Research Foundation
17635820 METHOD FOR SCREENING ANTICANCER AGENT AND COMBINATION DRUG OF KINASE INHIBITORS FOR TREATMENT OF PANCREATIC CANCER Final Rejection National University Corporation Hokkaido University
17895068 CELL IDENTIFICATION METHOD Final Rejection National Tsing Hua University
17727826 CELL SORTING METHOD Non-Final OA National Tsing Hua University
18263471 METHODS FOR INCREASING VIRAL TRANSDUCTION OF CELLS Non-Final OA Trustees of Dartmouth College
18058486 TRANSPOSITION-BASED THERAPIES Non-Final OA Blue Marlin Therapeutics, Inc.
17907574 REPLICATION-DEFICIENT AVIAN ADENOVIRAL VECTORS, THEIR DESIGN AND USES Final Rejection Greffex, Inc.
18252572 MASS PROLIFERATION CULTURE METHOD OF NK CELLS Non-Final OA Da Witt KANG
18027892 CELL POPULATION PRODUCTION METHOD Non-Final OA GN Incorporation Co Ltd
18007372 PLATELET LYSATE DERIVED FROM AUTOLOGOUS PLATELETS Final Rejection RAINBOW (RAINBOW INC.)
18003835 COMPOSITIONS FOR GENOME EDITING AND METHODS OF USE THEREOF Non-Final OA CIBUS BIOTECHNOLOGIES, INC.
18075320 METHODS AND USES OF MEDIASTINAL PLEURA TISSUE FOR VARIOUS STENT AND OTHER MEDICAL APPLICATIONS Non-Final OA CVDevices, LLC
18071388 METHODS AND COMPOSITIONS FOR MAINTAINING AND EXPANDING HEMATOPOIETIC STEM CELLS Non-Final OA Trailhead Biosystems Inc.
17928103 METHOD FOR PREVENTING INFECTION OF A HEALTHY PERSON OR A HEALTHY ANIMAL WITH A VIRUS THAT USES ACE2 AS A RECEPTOR, BINDING INHIBITOR AND MEDICAL DEVICE Final Rejection DEXON PHARMACEUTICALS INC.
18000030 HYPOIMMUNOGENIC CELLS Final Rejection HEALIOS K.K.
18048291 ENHANCED PLACENTAL STEM CELLS AND USES THEREOF Final Rejection Celularity Inc.
17788868 CELL CULTURE SUBSTRATE AND MANUFACTURING METHOD THEREOF Final Rejection AMOLIFESCIENCE CO., LTD.
17780129 RECOMBINANT POLYPEPTIDES FOR PROGRAMMING EXTRACELLULAR VESICLES Non-Final OA OTTAWA HOSPITAL RESEARCH INSTITUTE
17753768 GENE THERAPY EXPRESSION SYSTEM ALLEVIATING CARDIAC TOXICITY OF FKRP Final Rejection UNIVERSITE D'EVRY-VAL-D'ESSONNE

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