Prosecution Insights
Last updated: October 26, 2026

Douglas Charles Ryan, USPTO Patent Examiner

Listed by the USPTO as RYAN, DOUGLAS CHARLES

Tech Center 1600 • Art Units: 1635 1636

This examiner grants 38% of resolved cases

Analysis

RYAN, DOUGLAS CHARLES is assigned to tech center 1600 and art unit 1635. The record covers 76 resolved cases, with a 38.2% allowance rate and a 48.4% interview lift. The median time to allowance is 1164 days. The relatively small record calls for caution in treating these figures as a stable long-term pattern.

The leading companies are The Regents of the University of California, Massachusetts Institute of Technology, and ModernaTX Inc. GOODWIN PROCTER LLP, NIXON & VANDERHYE, PC, and BOZICEVIC, FIELD & FRANCIS LLP are the leading firms. The contrast between the allowance rate and interview lift suggests that interviews may be particularly important to prosecution strategy in this docket.

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

Performance Statistics

38.2%
Allow Rate
-21.8% vs TC avg
134
Total Applications
+48.4%
Interview Lift
1164
Avg Prosecution Days
Based on 76 resolved cases, 2023–2026

Rejection Statute Breakdown

7.9%
§101 Eligibility
15.0%
§102 Novelty
32.5%
§103 Obviousness
31.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18005311 Targeted RNA cleavage with dCas13-RNase Fusion Proteins Final Rejection University of Rochester
18554627 GENE THERAPY FOR NEUROPROTECTION Non-Final OA THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
17630875 SYNTHETIC IMMUNE CELLS AND METHODS OF USE THEREOF Final Rejection The Regents of the University of California
17544527 Screening for Inhibitors of Prostaglandin E Synthase 3 Useful for Treatment of Prostate Cancer Non-Final OA The Regents of the University of California
17611949 MASS PRODUCTION SYSTEM OF RECOMBINANT BAGWORM SILK THREAD PROTEIN Non-Final OA KOWA COMPANY, LTD.

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Frequently Asked Questions

What is examiner Douglas Charles Ryan's allowance rate?

38.2% of resolved applications examined by Douglas Charles Ryan were allowed (76 resolved cases), compared with 51.6% across Art Unit 1635 over the last five years.

Does an interview help with examiner Douglas Charles Ryan?

This examiner's interview lift is +48.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Douglas Charles Ryan take to allow a patent?

Applications allowed by Douglas Charles Ryan took 1,164 days on average from filing to allowance.

Which art unit does examiner Douglas Charles Ryan work in?

Douglas Charles Ryan examines applications in Art Unit 1635 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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