Prosecution Insights
Last updated: October 26, 2026

Thea D' Ambrosio, USPTO Patent Examiner

Listed by the USPTO as D' AMBROSIO, THEA

Tech Center 1600 • Art Units: 1635 1654 1675

This examiner grants 56% of resolved cases

Analysis

D' AMBROSIO, THEA is assigned to Tech Center 1600 and art unit 1635. The profile records 501 resolved cases, an allowance rate of 55.5%, and a median of 1189 days to allowance. Interviews are associated with a 56.2% lift, making examiner engagement a prominent consideration in prosecution planning.

The listed companies are Arecor Limited, Uif (university Industry Foundation), Yonsei University, and Pharmazz Inc. The listed firms are NIXON & VANDERHYE, PC, Troutman Pepper Locke LLP, and Cepeda Patent Law, LLC. The data supports combining a carefully developed written response with an interview strategy, while allowing for prosecution that may require sustained attention.

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

Performance Statistics

55.5%
Allow Rate
-4.5% vs TC avg
546
Total Applications
+56.2%
Interview Lift
1189
Avg Prosecution Days
Based on 501 resolved cases, 2023–2026

Rejection Statute Breakdown

6.4%
§101 Eligibility
9.5%
§102 Novelty
31.2%
§103 Obviousness
29.3%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17271991 COMPOSITIONS AND METHODS FOR PROTEIN DETECTION Non-Final OA Syngenta Participations AG
18500881 FUSION PROTEINS COMPRISING DETECTABLE TAGS, NUCLEIC ACID MOLECULES, AND METHOD OF TRACKING A CELL Non-Final OA ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI

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Frequently Asked Questions

What is examiner Thea D' Ambrosio's allowance rate?

55.5% of resolved applications examined by Thea D' Ambrosio were allowed (501 resolved cases), compared with 51.6% across Art Unit 1635 over the last five years.

Does an interview help with examiner Thea D' Ambrosio?

This examiner's interview lift is +56.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Thea D' Ambrosio take to allow a patent?

Applications allowed by Thea D' Ambrosio took 1,189 days on average from filing to allowance.

Which art unit does examiner Thea D' Ambrosio work in?

Thea D' Ambrosio examines applications in Art Unit 1635 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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