Prosecution Insights
Last updated: October 27, 2026

Catherine A Kelly, USPTO Patent Examiner

Listed by the USPTO as KELLY, CATHERINE A

Tech Center 3600 • Art Units: 1744 3612 3619 3634 3667

This examiner grants 60% of resolved cases

Analysis

KELLY, CATHERINE A is a USPTO patent examiner in tech center 3600 and art unit 1744. The profile includes 767 resolved cases, an allowance rate of 60.4%, and a median of 1037 days to allowance. Interview lift is 27.5%, supporting a prosecution plan that gives interviews a defined role in clarifying claim scope and responding to examiner concerns.

The leading companies are Illinois Tool Works Inc., Samet Kalip Ve Madeni Esya Sanayi Ve Ticaret A S, and Cubic Transportation Systems Inc. The leading firms are AEON Law, ASLAN LAW, P.C., and Dickinson Wright PLLC - Washington DC. The case volume provides a substantial basis for using the profile as a planning reference, while the timing figure favors early identification of issues that may require more than one response.

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

Performance Statistics

60.4%
Allow Rate
+8.4% vs TC avg
794
Total Applications
+27.5%
Interview Lift
1037
Avg Prosecution Days
Based on 767 resolved cases, 2023–2026

Rejection Statute Breakdown

0.4%
§101 Eligibility
14.0%
§102 Novelty
51.3%
§103 Obviousness
31.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18522454 Stackable Closure Element for Closing Openings in Beam Components Non-Final OA Illinois Tool Works Inc.
19257364 PADDLE SHAFT LOCKING MECHANISM FOR GATE TRANSMISSION PROTECTION Non-Final OA Cubic Transportation Systems, Inc.
19257356 GATE TRANSMISSION PROTECTION DEVICE Final Rejection Cubic Transportation Systems, Inc.

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Frequently Asked Questions

What is examiner Catherine A Kelly's allowance rate?

60.4% of resolved applications examined by Catherine A Kelly were allowed (767 resolved cases), compared with 48.7% across Art Unit 1744 over the last five years.

Does an interview help with examiner Catherine A Kelly?

This examiner's interview lift is +27.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Catherine A Kelly take to allow a patent?

Applications allowed by Catherine A Kelly took 1,037 days on average from filing to allowance.

Which art unit does examiner Catherine A Kelly work in?

Catherine A Kelly examines applications in Art Unit 1744 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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