Prosecution Insights
Last updated: October 26, 2026

Dennis R Cordray, USPTO Patent Examiner

Listed by the USPTO as CORDRAY, DENNIS R

Tech Center 1700 • Art Units: 1741 1748 1791

This examiner grants 74% of resolved cases

Analysis

Dennis R. Cordray is a prolific examiner in Tech Center 1700, Art Unit 1741, with 1121 resolved cases. The examiner maintains an allowance rate of 74.0 percent. The median time required to reach an allowance is 1035 days.

Direct communication is a notable factor in prosecution, as the interview lift is 25.9 percent. This lift suggests that cases involving an interview are significantly more likely to be allowed than the general 74.0 percent rate. JT International S.A. is a top company represented in this data set.

Lerner David LLP is the primary firm listed for this examiner's 1121 resolved cases. Given the 1035 median days to allowance, practitioners should consider the 25.9 percent interview lift as a key tactical option during the patent acquisition process.

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

Performance Statistics

74.0%
Allow Rate
+9.0% vs TC avg
1,122
Total Applications
+25.9%
Interview Lift
1035
Avg Prosecution Days
Based on 1121 resolved cases, 2023–2026

Rejection Statute Breakdown

1.7%
§101 Eligibility
14.1%
§102 Novelty
44.8%
§103 Obviousness
26.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18267328 Adjustable Filter Non-Final OA JT International SA

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Frequently Asked Questions

What is examiner Dennis R Cordray's allowance rate?

74.0% of resolved applications examined by Dennis R Cordray were allowed (1,121 resolved cases), compared with 52.1% across Art Unit 1741 over the last five years.

Does an interview help with examiner Dennis R Cordray?

This examiner's interview lift is +25.9 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Dennis R Cordray take to allow a patent?

Applications allowed by Dennis R Cordray took 1,035 days on average from filing to allowance.

Which art unit does examiner Dennis R Cordray work in?

Dennis R Cordray examines applications in Art Unit 1741 in Tech Center 1700 (Chemistry & Materials).

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