Prosecution Insights
Last updated: October 27, 2026

Alyssa G Weston, USPTO Patent Examiner

Listed by the USPTO as WESTON, ALYSSA G

Tech Center 1700 • Art Units: 1600 1632 1633 1653 1699 1797

This examiner grants 60% of resolved cases

Analysis

WESTON, ALYSSA G is assigned to Tech Center 1700 and Art Unit 1600. The record covers 116 resolved cases, with an allowance rate of 59.5% and a median of 1276 days to allowance. The interview lift is 49.0%, showing a substantial positive association between interviews and allowance outcomes in this record.

The listed companies are The University of Toledo, Autolus Limited, and Nissan Chemical Corporation. The listed firms are MACMILLAN SOBANSKI & TODD, LLC, MARSHALL, GERSTEIN & BORUN LLP, and NORTON ROSE FULBRIGHT US LLP. Practitioners may find interviews particularly valuable for narrowing disagreements before prosecution extends further. The 1276-day median also favors early identification of claim features that can be supported with clear technical explanations and targeted amendments.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

59.5%
Allow Rate
-5.5% vs TC avg
189
Total Applications
+49.0%
Interview Lift
1276
Avg Prosecution Days
Based on 116 resolved cases, 2023–2026

Rejection Statute Breakdown

2.5%
§101 Eligibility
27.8%
§102 Novelty
36.4%
§103 Obviousness
24.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19101972 FASL-MODIFIED PLG SCAFFOLDS ENHANCES DIFFERENTIATION OF STEM CELL DERIVED BETA CELLS Non-Final OA THE REGENTS OF THE UNIVERSITY OF MICHIGAN
16899302 CPF1-RELATED METHODS AND COMPOSITIONS FOR GENE EDITING Non-Final OA EDITAS MEDICINE, INC.
18576909 METHODS FOR DIFFERENTIATING AND SCREENING STEM CELLS Non-Final OA MASSACHUSETTS INSTITUTE OF TECHNOLOGY
18029750 METHODS FOR IDENTIFYING MODULATORS OF NATURAL KILLER CELL INTERACTIONS Final Rejection The Johns Hopkins University
18382626 CD47 COMPOSITIONS AND METHODS FOR THE TREATMENT OF DEGENERATIVE OCULAR DISEASES Non-Final OA President and Fellows of Harvard College
18266712 TAU BIOSENSOR CELL LINES Non-Final OA THE BOARD OF REGENTS OF THE UNIVERSITY OF TEXAS SYSTEM
18949699 COMPOSITIONS AND MATERIALS FOR REGENERATION OF SKELETAL MUSCLE Non-Final OA Purdue Research Foundation
17928674 COMPOSITIONS AND METHODS FOR INHIBITION OF LINEAGE SPECIFIC ANTIGENS USING CRISPR-BASED BASE EDITOR SYSTEMS Final Rejection The Trustees of Columbia University in the City of New York
17053752 MESENCHYMAL STROMAL CELL EXOSOME-TREATED MONOCYTES AND USES THEREOF Non-Final OA Children's Medical Center Corporation
18323196 QUALITY CONTROL SUBSTANCE USED IN URINE SEDIMENT ANALYZER Final Rejection ARKRAY, Inc.
17912480 ISCHEMIC HEART DISEASE ANIMAL MODEL USING 3-DIMENSIONAL BIOPRINTED OCCLUDE, AND MANUFACTURING METHOD THEREFOR Non-Final OA INDUSTRY FOUNDATION OF CHONNAM NATIONAL UNIVERSITY

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Frequently Asked Questions

What is examiner Alyssa G Weston's allowance rate?

59.5% of resolved applications examined by Alyssa G Weston were allowed (116 resolved cases), compared with 37.3% across Art Unit 1600 over the last five years.

Does an interview help with examiner Alyssa G Weston?

This examiner's interview lift is +49.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Alyssa G Weston take to allow a patent?

Applications allowed by Alyssa G Weston took 1,276 days on average from filing to allowance.

Which art unit does examiner Alyssa G Weston work in?

Alyssa G Weston examines applications in Art Unit 1600 in Tech Center 1700 (Chemistry & Materials).

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