Prosecution Insights
Last updated: October 27, 2026

Ashley Hartman Gao, USPTO Patent Examiner

Listed by the USPTO as GAO, ASHLEY HARTMAN

Tech Center 1700 • Art Units: 1644 1646 1674 1678 1783

This examiner grants 56% of resolved cases

Analysis

GAO, ASHLEY HARTMAN is assigned to tech center 1700 and art unit 1644. The dataset includes 92 resolved cases, with an allowance rate of 56.5% and a median of 1240 days to allowance. The allowance figure reflects a contested record, and the timing figure indicates that successful matters may require extended prosecution. Interviews have a 38.0% lift, giving applicants a substantial measured reason to prepare for direct discussion of technical and claim issues.

The leading companies are Genentech Inc., INCYTE Corporation, and Hoffmann-La Roche Inc. The principal firms are FISH & RICHARDSON P.C. (TC), WENDEROTH, LIND & PONACK, L.L.P., and BAKER BOTTS L.L.P. This mix provides relevant context for biotechnology matters. Counsel should combine interview preparation with precise amendments and evidence addressing the cited references.

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

Performance Statistics

56.5%
Allow Rate
-8.5% vs TC avg
152
Total Applications
+38.0%
Interview Lift
1240
Avg Prosecution Days
Based on 92 resolved cases, 2023–2026

Rejection Statute Breakdown

6.7%
§101 Eligibility
8.1%
§102 Novelty
34.9%
§103 Obviousness
33.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17199195 CSF-1R ANTIBODY FORMULATION Final Rejection Hoffmann-La Roche Inc.
17776131 SYSTEMS AND METHODS FOR RAPID, SENSITIVE MULTIPLEX IMMUNOASSAYS Final Rejection The Regents of the University of Michigan
18808311 BISPECIFIC ANTI-VEGF AND ANTI-TRKB BINDING MOLECULES FOR THE TREATMENT OF EYE DISEASES Non-Final OA Boehringer Ingelheim International GmbH
16961026 Fusion Protein Extensions Final Rejection NantBio, Inc.
18104825 T CELL-BASED METHODS FOR PREDICTING POLYPEPTIDE IMMUNOGENICITY Non-Final OA GENENTECH, INC.
17168621 USE OF TRYPTOPHAN DERIVATIVES AND L-METHIONINE FOR PROTEIN FORMULATION Final Rejection Genentech, Inc.
18843878 METHODS AND MATERIALS FOR IDENTIFYING AND TREATING MEMBRANOUS NEPHROPATHY Non-Final OA Mayo Foundation for Medical Education and Research
18245868 IDENTIFICATION OF SARS-COV-2 EPITOPES DISCRIMINATING COVID-19 INFECTION FROM CONTROL AND METHODS OF USE Non-Final OA WISCONSIN ALUMNI RESEARCH FOUNDATION
18265661 FEATURES FOR DETERMINING DUCTAL CARCINOMA IN SITU RECURRENCE AND PROGRESSION Non-Final OA The Board of Trustees of the Leland Stanford Junior University
18560223 CONTROL SLIDE GLASS FOR PATHOLOGICAL EXAMINATION AND METHOD FOR MANUFACTURING SAME Final Rejection Hitachi High-Tech Corporation
18283434 METHODS OF DETERMINING POTENCY OF A THERAPEUTIC CELL COMPOSITION Non-Final OA Juno Therapeutics, Inc.
18435746 TIGIT AND CD112R BLOCKADE Non-Final OA AMGEN INC.
16980128 IMMUNO-EXOSOMES AND METHODS OF USE THEREOF Final Rejection BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
18180991 SYSTEMS AND METHODS FOR PREDICTING GRAFT DYSFUNCTION WITH EXOSOME PROTEINS Non-Final OA THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK
17289970 METHOD FOR PRODUCING PLURIPOTENT STEM CELL HAVING RELEASED DIFFERENTIATION RESISTANCE TO MESENDODERM Final Rejection Kyoto University
17641473 ASSAY FOR IMMUNE CELL RECOVERY Final Rejection RESEARCH INSTITUTE AT NATIONWIDE CHILDREN'S HOSPITAL
17128599 BISPECIFIC SIGNALING AGENTS AND USES THEREOF Non-Final OA Universiteit Gent
17294327 METHODS AND REAGENTS FOR MULTIPLEX BINDING EXPERIMENTS Final Rejection BIOASTER

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Frequently Asked Questions

What is examiner Ashley Hartman Gao's allowance rate?

56.5% of resolved applications examined by Ashley Hartman Gao were allowed (92 resolved cases), compared with 35.9% across Art Unit 1644 over the last five years.

Does an interview help with examiner Ashley Hartman Gao?

This examiner's interview lift is +38.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Ashley Hartman Gao take to allow a patent?

Applications allowed by Ashley Hartman Gao took 1,240 days on average from filing to allowance.

Which art unit does examiner Ashley Hartman Gao work in?

Ashley Hartman Gao examines applications in Art Unit 1644 in Tech Center 1700 (Chemistry & Materials).

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