Prosecution Insights
Last updated: October 26, 2026

Leslie A Royds Draper, USPTO Patent Examiner

Listed by the USPTO as DRAPER, LESLIE A ROYDS

Tech Center 1600 • Art Units: 1614 1629

This examiner grants 27% of resolved cases

Analysis

Leslie A Royds Draper has 784 resolved cases in Tech Center 1600 and Art Unit 1614. The allowance rate of 27.3% and median days to allowance of 1392 indicate the prosecution process for pharmaceutical companies like Kowa Company, Ltd. and Sensorion. The 1392 figure is a key metric for practitioners to consider when managing client expectations. The 27.3% allowance rate defines the probability of success in Art Unit 1614.

The interview lift of 43.4% is a factor for firms such as NIXON & VANDERHYE, PC and Rhodes IP PLC. This 43.4% lift provides an opportunity to improve the 27.3% allowance rate. Direct engagement with the examiner is a strategy to navigate the challenges of this art unit. With 784 resolved cases, these statistics represent the current prosecution environment. The 43.4% lift indicates that direct communication is a strategy to move cases toward a grant in Tech Center 1600.

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

Performance Statistics

27.3%
Allow Rate
-32.7% vs TC avg
811
Total Applications
+43.4%
Interview Lift
1392
Avg Prosecution Days
Based on 784 resolved cases, 2023–2026

Rejection Statute Breakdown

2.5%
§101 Eligibility
35.0%
§102 Novelty
21.3%
§103 Obviousness
28.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18605928 THERAPEUTIC AGENT FOR OCULAR FUNDUS DISEASE Non-Final OA KOWA COMPANY, LTD.

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Frequently Asked Questions

What is examiner Leslie A Royds Draper's allowance rate?

27.3% of resolved applications examined by Leslie A Royds Draper were allowed (784 resolved cases), compared with 47.9% across Art Unit 1614 over the last five years.

Does an interview help with examiner Leslie A Royds Draper?

This examiner's interview lift is +43.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Leslie A Royds Draper take to allow a patent?

Applications allowed by Leslie A Royds Draper took 1,392 days on average from filing to allowance.

Which art unit does examiner Leslie A Royds Draper work in?

Leslie A Royds Draper examines applications in Art Unit 1614 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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