Prosecution Insights
Last updated: October 27, 2026

Duane Ryan Tisdale, USPTO Patent Examiner

Listed by the USPTO as TISDALE, DUANE RYAN

Tech Center 2900 • Art Units: 2923 2938

This examiner grants 97% of resolved cases

Analysis

Duane Ryan Tisdale has resolved 127 cases in Tech Center 2900 and Art Unit 2923. The examiner's allowance rate is 96.9 percent. The median days to allowance for successful applications is 740. This 740-day figure provides a timeline for applicants in the 2900 tech center.

The interview lift is 3.8 percent, indicating a small benefit to conducting an interview compared to the 96.9 percent baseline. Kia Corporation is a top company in this docket, and representation has included Fox Rothschild LLP. The 127 resolved cases provide a dataset for understanding the examiner's tendencies.

Practitioners should consider the 3.8 percent lift as a positive factor for direct engagement, although the 96.9 percent allowance rate is already very high. The 740-day median pendency is a key metric for planning in Art Unit 2923. This environment appears highly favorable for patent grants.

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

Performance Statistics

96.9%
Allow Rate
+36.9% vs TC avg
128
Total Applications
+3.8%
Interview Lift
740
Avg Prosecution Days
Based on 127 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
4.2%
§102 Novelty
0.7%
§103 Obviousness
82.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
35525496 Automobile Final Rejection Kia Corporation

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Frequently Asked Questions

What is examiner Duane Ryan Tisdale's allowance rate?

96.9% of resolved applications examined by Duane Ryan Tisdale were allowed (127 resolved cases), compared with 95.1% across Art Unit 2923 over the last five years.

Does an interview help with examiner Duane Ryan Tisdale?

This examiner's interview lift is +3.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Duane Ryan Tisdale take to allow a patent?

Applications allowed by Duane Ryan Tisdale took 740 days on average from filing to allowance.

Which art unit does examiner Duane Ryan Tisdale work in?

Duane Ryan Tisdale examines applications in Art Unit 2923 in Tech Center 2900.

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