Prosecution Insights
Last updated: October 27, 2026

Kathleen Mary Cunningchen, USPTO Patent Examiner

Listed by the USPTO as CUNNINGCHEN, KATHLEEN MARY

Tech Center 1600 • Art Units: 1641 1643 1646

This examiner grants 62% of resolved cases

Analysis

CUNNINGCHEN, KATHLEEN MARY is assigned to Tech Center 1600 and art unit 1641. The profile covers 56 resolved cases, with an allowance rate of 62.5% and a median of 1456 days to allowance. The interview lift is 60.5%, the strongest recorded interview association in this profile and a significant factor for prosecution planning.

The listed companies are Zoetis LLC, Janssen Pharmaceuticals Inc., and Genentech Inc. The listed firms are LEE & HAYES, P.C., Casimir Jones, S.C., and Cermak & McGowan LLP. The limited case volume counsels against treating the figures as conclusive, but the interview measure supports early consideration of examiner discussion alongside carefully developed written responses.

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

Performance Statistics

62.5%
Allow Rate
+2.5% vs TC avg
108
Total Applications
+60.5%
Interview Lift
1456
Avg Prosecution Days
Based on 56 resolved cases, 2023–2026

Rejection Statute Breakdown

3.2%
§101 Eligibility
16.0%
§102 Novelty
29.7%
§103 Obviousness
33.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18266053 MUTATIONS IN FELINE ANTIBODY CONSTANT REGIONS Final Rejection Zoetis Services LLC
18324406 METHODS FOR MODULATING HOST CELL SURFACE INTERACTIONS WITH HUMAN CYTOMEGALOVIRUS Non-Final OA Genentech, Inc.
17999352 ENGINEERED ANTI-PROSTATE STEM CELL ANTIGEN FUSION PROTEINS AND USES THEREOF Final Rejection THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
18551843 COMPOSITIONS COMPRISING NKG2D, CXCR2, AND DAP10/DAP12 FUSION POLYPEPTIDES AND METHODS OF USE THEREOF Non-Final OA King's College London
17265934 MODULATING PTPN2 TO INCREASE IMMUNE RESPONSES AND PERTURBING GENE EXPRESSION IN HEMATOPOIETIC STEM CELL LINEAGES Non-Final OA President and Fellows of Harvard College
18155510 HISTAMINE AND HRH1 SIGNALING ACTIVITY AS BIOMARKERS AND ASSOCIATED METHODS Final Rejection Board of Regents, The University of Texas System
17625868 ANTI-MUTATION TYPE FGFR3 ANTIBODY AND USE THEREFOR Non-Final OA Chugai Seiyaku Kabushiki Kaisha
17702648 COMBINATION RADIOIMMUNOTHERAPY AND CD47 BLOCKADE IN THE TREATMENT OF CANCER Final Rejection ACTINIUM PHARMACEUTICALS, INC.

Facing This Examiner?

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

Build Your Strategy

Who Appears Before This Examiner

Top companies before this examiner

Law firms appearing most often

Frequently Asked Questions

What is examiner Kathleen Mary Cunningchen's allowance rate?

62.5% of resolved applications examined by Kathleen Mary Cunningchen were allowed (56 resolved cases), compared with 45.2% across Art Unit 1641 over the last five years.

Does an interview help with examiner Kathleen Mary Cunningchen?

This examiner's interview lift is +60.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Kathleen Mary Cunningchen take to allow a patent?

Applications allowed by Kathleen Mary Cunningchen took 1,456 days on average from filing to allowance.

Which art unit does examiner Kathleen Mary Cunningchen work in?

Kathleen Mary Cunningchen examines applications in Art Unit 1641 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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