Prosecution Insights
Last updated: August 18, 2026

Examiner: WESTON, ALYSSA G

Tech Center 1600 • Art Units: 1600 1633 1653 1699

This examiner grants 60% of resolved cases

Performance Statistics

60.0%
Allow Rate
At TC average
172
Total Applications
+51.3%
Interview Lift
1280
Avg Prosecution Days
Based on 110 resolved cases, 2023–2026

Rejection Statute Breakdown

2.4%
§101 Eligibility
28.5%
§102 Novelty
35.5%
§103 Obviousness
24.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18517525 SEPARATION DEVICE AND METHOD FOR SEPARATING TO-BE-SEPARATED MATERIAL USING SAME Non-Final OA NISSAN CHEMICAL CORPORATION
18658077 METHODS OF TREATING MITOCHONDRIAL DISORDERS Final Rejection The Regents of the University of California
17440116 AUGMENTATION OF T-CELL ACTIVATION BY OSCILLATORY FORCES AND ENGINEERED ANTIGEN-PRESENTING CELLS Final Rejection THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
18382626 CD47 COMPOSITIONS AND METHODS FOR THE TREATMENT OF DEGENERATIVE OCULAR DISEASES Final Rejection President and Fellows of Harvard College
18558811 PHARMACEUTICAL COMPOSITION COMPRISING CHORION EXTRACT-DERIVED EXOSOMES AS ACTIVE INGREDIENT FOR PROMOTING OSTEOGENESIS Final Rejection KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
17928674 COMPOSITIONS AND METHODS FOR INHIBITION OF LINEAGE SPECIFIC ANTIGENS USING CRISPR-BASED BASE EDITOR SYSTEMS Non-Final OA The Trustees of Columbia University in the City of New York
18576909 METHODS FOR DIFFERENTIATING AND SCREENING STEM CELLS Non-Final OA MASSACHUSETTS INSTITUTE OF TECHNOLOGY
16758030 BIOMIMETIC PLATFORMS TO MODEL VASCULAR PATHOPHYSIOLOGY, DIAGNOSTICS, AND THERAPY Non-Final OA The Johns Hopkins University
17784935 ENGINEERED IMMUNE CELLS WITH REDUCED TOXICITY AND USES THEREOF Final Rejection The General Hospital Corporation
18626460 RECRUITMENT METHODS AND COMPOUNDS, COMPOSITIONS AND SYSTEMS FOR RECRUITMENT Final Rejection Pairwise Plants Services, Inc.
17794571 QUANTITATIVE CONTROL OF ACTIVITY OF ENGINEERED CELLS EXPRESSING SPYCATCHER AND SPYTAG UNIVERSAL IMMUNE RECEPTORS Final Rejection The Trustees of The University of Pennsylvania
17602277 METHODS AND COMPOSITIONS FOR PROGRAMMING T CELL DIFFERENTIATION AND ENHANCING T CELL PROLIFERATION Final Rejection THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA
18006446 METHOD FOR PRODUCING CULTURED MEAT ON BASIS OF CELL SHEET COATING TECHNIQUE, AND CULTURED MEAT PRODUCED THEREBY Non-Final OA Industry-Academic Cooperation Foundation, Yonsei University
18792799 METHOD FOR ENHANCING THE SUPPRESSIVE PROPERTIES OF TREG CELLS Non-Final OA UCL BUSINESS LTD.
17012748 ENGINEERING OF IMMUNE CELLS FOR EX VIVO CELL THERAPY APPLICATIONS Non-Final OA Avectas Limited

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month