Prosecution Insights
Last updated: April 19, 2026

Examiner: WANG, CHANG YU

Tech Center 1600 • Art Units: 1643 1649 1675

This examiner grants 34% of resolved cases

Performance Statistics

33.8%
Allow Rate
-26.2% vs TC avg
943
Total Applications
+52.5%
Interview Lift
1496
Avg Prosecution Days
Based on 850 resolved cases, 2023–2026

Rejection Statute Breakdown

4.2%
§101 Eligibility
18.8%
§102 Novelty
26.5%
§103 Obviousness
32.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17784145 COMPOSITIONS AND METHODS FOR TREATING NEUROMUSCULAR DISORDERS Non-Final OA The Regents of the University of California
17790340 LOOPED PROTEINS COMPRISING CELL PENETRATING PEPTIDES Non-Final OA Ohio State Innovation Foundation
17995820 OFATUMUMAB FOR TREATING MS WHILE MAINTAINING SERUM IgG Non-Final OA NOVARTIS AG
17753635 Management of conditions other than multiple sclerosis in ofatumumab-treated patients Non-Final OA Novartis AG
17924461 PEPTIDE USED TO PREVENT OR TREAT SYNUCLEINOPATHY Non-Final OA TOHOKU UNIVERSITY
18278068 DYNAMIC BIOACTIVE SCAFFOLDS AND THERAPEUTIC USES THEREOF AFTER CNS INJURY Non-Final OA Northwestern University
17769705 EXTRACELLULAR VESICLE-BASED AGENTS AND METHODS FOR THE TREATMENT OF NEUROPATHIC DISORDERS Non-Final OA University of Washington
17698636 WNT COMPOSITIONS AND METHODS FOR SERUM-FREE SYNTHESIS Non-Final OA The Board of Trustees of the Leland Stanford Junior University
17908827 Manipulating Glycogen in Alzheimer's Disease, Epilepsy, Traumatic Brain Injury, and ALS as a Treatment Final Rejection University of Kentucky Research Foundation
18168002 COMBINATION THERAPY WITH SEMAPHORIN-4D BLOCKADE AND HTT-LOWERING AGENT FOR TREATMENT OF HUNTINGTON'S DISEASE Non-Final OA UNIVERSITY OF CENTRAL FLORIDA RESEARCH FOUNDATION, INC.
17794912 DETERMINATION AGENT AND DETERMINATION METHOD FOR TAUOPATHY AND DEMENTIA-RELATED DISEASES Non-Final OA Sumitomo Pharma Co., Ltd.
18611374 APOE ANTIBODIES, FUSION PROTEINS AND USES THEREOF Final Rejection Massachusetts Eye and Ear Infirmary
17801776 METHODS OF USE OF ANTI-TREM2 ANTIBODIES Final Rejection Washington University
17840368 METHODS FOR TREATING MICROGLIAL DYSFUNCTION Non-Final OA Washington University
18011965 PREVENTION OF AXONAL DAMAGE USING ANTIBODY BINDING TO AMYLOID BETA 1-42 Non-Final OA Eli Lilly and Company
17883072 Anti-CGRP Antibody Formulation Final Rejection Eli Lilly and Company
17782501 ENHANCING BLOOD-BRAIN BARRIER DRUG TRANSPORT BY TARGETING ENDOGENOUS REGULATORS Non-Final OA THE UNITED STATES GOVERNMENT AS REPRESENTED BY THE DEPARTMENT OF VETERANS AFFAIRS
17304444 MICROENCAPSULATED AND CHROMOSOME INTEGRATED COMPOSITIONS FOR L-DOPA MICROBIOME THERAPY Final Rejection Iowa State University Research Foundation, Inc.
17509889 Methods of Reducing Tau in Human Subjects Non-Final OA JANSSEN PHARMACEUTICA NV
17105789 SPINAL CORD INJURY TREATMENT NEUROSPHERE Final Rejection KEIO UNIVERSITY
16876353 EFFICIENT, SCALABLE PRODUCTION OF HUMAN RETINAL PROGENITORS IN VITRO Non-Final OA Wisconsin Alumni Research Foundation
17792574 PROPHYLACTIC OR THERAPEUTIC AGENT FOR DEMENTIA Final Rejection MITSUBISHI TANABE PHARMA CORPORATION
17757955 AGENT FOR PREVENTING OR TREATING ACUTE-PHASE NEUROMYELITIS OPTICA Final Rejection MITSUBISHI TANABE PHARMA CORPORATION
17793355 CHIMERIC ANTIGEN RECEPTORS FOR REMOVAL OF AMYLOID Non-Final OA University of Tennessee Research Foundation
17762543 VACCINE THERAPY FOR RAN PROTEIN DISEASES Final Rejection University of Florida Research Foundation, Incorporated
17213830 STEM CELL-DERIVED HUMAN MICROGLIAL CELLS, METHODS OF MAKING AND METHODS OF USE Non-Final OA MEMORIAL SLOAN-KETTERING CANCER CENTER
18020502 BECLIN 2 AND USES THEREOF FOR TREATING CANCER AND NEURODEGENERATIVE DISEASES Non-Final OA THE METHODIST HOSPITAL SYSTEM
18021566 PROTEIN, POLYNUCLEOTIDE, VECTOR, HOST CELL, COMPOSITION, METHOD FOR TREATING AN ILLNESS, IN-VITRO METHOD FOR PREDICTING MULTIPLE SCLEROSIS, AND USE OF A PROTEIN OR COMPOSITION Non-Final OA Fundação Oswaldo Cruz
16647454 METHOD FOR AMPLIFYING CONE PHOTORECEPTORS OR ROD PHOTORECEPTORS USING DORSALIZATION SIGNAL TRANSMITTER OR VENTRALIZATION SIGNAL TRANSMITTER Non-Final OA RACTHERA CO., LTD.
17596622 USE OF SRRD IN THE INHIBITION OF PROTEIN AGGREGATION Final Rejection THE CHILDREN'S HOSPITAL OF PHILADELPHIA

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