Prosecution Insights
Last updated: May 29, 2026

Examiner: XIE, XIAOZHEN

Tech Center 1600 • Art Units: 1646 1674

This examiner grants 56% of resolved cases

Performance Statistics

55.9%
Allow Rate
-4.1% vs TC avg
705
Total Applications
+65.9%
Interview Lift
1311
Avg Prosecution Days
Based on 681 resolved cases, 2023–2026

Rejection Statute Breakdown

1.3%
§101 Eligibility
13.1%
§102 Novelty
42.8%
§103 Obviousness
21.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17470455 BIOMARKERS AND METHODS FOR ASSESSING PSORIATIC ARTHRITIS DISEASE ACTIVITY Final Rejection The Regents of the University of California
18101310 Dosing Strategy that Mitigates Cytokine Release Syndrome for Therapeutic Antibodies Non-Final OA Regeneron Pharmaceuticals, Inc.
18045588 ANTIBODIES TO HUMAN GDF8 Final Rejection Regeneron Pharmaceuticals, Inc.
19312167 Compositions and Methods of Treatment for Various Conditions using High-Molecular Weight Hyaluronic Acid Final Rejection Embrient, Inc.
17771313 COMPOSITIONS AND METHODS FOR MINIMIZING PROTEIN LOSS AT LOW PROTEIN CONCENTRATIONS Final Rejection AMGEN INC.
18019052 CST6, CELLS EXPRESSING CST6 AND METHODS OF USE Non-Final OA BioVentures, LLC
18653312 COMPOSITIONS AND METHODS FOR TARGETING CD99-EXPRESSING CANCERS Non-Final OA H. Lee Moffitt Cancer Center and Research Institute, Inc.
17772042 Immune Response Suppressant Final Rejection University of Tsukuba
17432177 LIF THERAPY FOR INDUCING INTESTINAL EPITHELIAL CELL REGENERATION Non-Final OA Rutgers, the State University of New Jersey
17615959 ANTI-TNF ANTIBODIES, COMPOSITIONS, AND METHODS FOR THE TREATMENT OF ACTIVE ANKYLOSING SPONDYLITIS Final Rejection Janssen Biotech, Inc.
18435494 MULTI SPECIFIC MOLECULES Non-Final OA AFFILOGIC
18319821 Treatment of ENPP1 Deficiency and ABCC6 Deficiency Non-Final OA Inozyme Pharma, Inc.
18248729 MODIFIED INTERLEUKIN 2 (IL-2) POLYPEPTIDES, AND METHODS OF MAKING AND USING THE SAME Non-Final OA CYTIMM THERAPEUTICS, INC.
18016752 METHOD FOR SCREENING COLORECTAL CANCER METASTASIS INHIBITOR Final Rejection FNCT BIOTECH, INC.
17871180 METHODS OF STIMULATING BONE GROWTH WITH ABALOPARATIDE AND DENOSUMAB Non-Final OA Radius Health, Inc.
17429297 USE OF ACTIVATORS OF THE ARYL HYDROCARBON RECEPTOR FOR TREATING GLUTEN-INDUCED GASTROINTESTINAL DISEASES Non-Final OA Institut National De Recherche Pour L'Agriculture, L'Alimentation et I'Environnement

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