Prosecution Insights
Last updated: October 26, 2026

Amy Marie Chattin, USPTO Patent Examiner

Listed by the USPTO as CHATTIN, AMY MARIE

Tech Center 1600 • Art Units: 1637 1642 1643 1644 1646

This examiner grants 72% of resolved cases

Analysis

CHATTIN, AMY MARIE works in tech center 1600 and art unit 1637. The profile records 54 resolved cases, a 72.2% allowance rate, and a median of 1381 days to allowance. The sample is limited, but the data shows a meaningful allowance result alongside a lengthy path to allowance.

The interview lift is 45.7%, indicating a strong association between interviews and allowance outcomes. The listed companies are The Regents of the University of California, Ono Pharmaceutical, and Hoffmann-La Roche. The leading firms are NORTON ROSE FULBRIGHT, SUGHRUE-265550, and Casimir Jones. Practitioners may consider examiner dialogue where it can narrow technical or scientific disputes without sacrificing written claim positions.

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

Performance Statistics

72.2%
Allow Rate
+12.2% vs TC avg
96
Total Applications
+45.7%
Interview Lift
1381
Avg Prosecution Days
Based on 54 resolved cases, 2023–2026

Rejection Statute Breakdown

3.5%
§101 Eligibility
18.9%
§102 Novelty
32.2%
§103 Obviousness
32.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18286252 FOLR2+ MACROPHAGES AND ANTI-TUMOR IMMUNITY Non-Final OA Centre National de la Recherche Scientifique
18553143 ANTIBODIES AGAINST CLEAVED CDCP1 AND USES THEREOF Non-Final OA The Regents of the University of California
18248189 MOTIF NEOEPITOPES FOR CANCER IMMUNOTHERAPY Final Rejection THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
17773283 DEGRADATION OF SURFACE PROTEINS USING BISPECIFIC BINDING AGENT Non-Final OA The Regents of the University of California
17755278 INTRATUMORAL ADMINISTRATION OF IMMUNE CELLULAR THERAPEUTICS Final Rejection FIGENE, LLC

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 Amy Marie Chattin's allowance rate?

72.2% of resolved applications examined by Amy Marie Chattin were allowed (54 resolved cases), compared with 45.4% across Art Unit 1637 over the last five years.

Does an interview help with examiner Amy Marie Chattin?

This examiner's interview lift is +45.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Amy Marie Chattin take to allow a patent?

Applications allowed by Amy Marie Chattin took 1,381 days on average from filing to allowance.

Which art unit does examiner Amy Marie Chattin work in?

Amy Marie Chattin examines applications in Art Unit 1637 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