Prosecution Insights
Last updated: October 02, 2026

Examiner: RYAN, DOUGLAS CHARLES

Tech Center 1600 • Art Units: 1635 1636

This examiner grants 39% of resolved cases

Analysis

Douglas Charles Ryan is an examiner in Tech Center 1600 and Art Unit 1635. The examiner has 74 resolved cases. The allowance rate for these matters is 39.2%. This metric provides a baseline for the likelihood of securing a patent grant during prosecution. The 39.2% rate is a primary data point for evaluating the probability of success in this specific Art Unit.

The interview lift is 47.6%. This value measures the increase in the probability of allowance following an interview. A lift of 47.6% indicates that engaging in a direct dialogue with the examiner can be a productive strategy. Practitioners should weigh this 47.6% figure when deciding whether to request a formal interview for their 74 resolved cases.

The median days to allowance is 1164. This figure represents the typical time span from filing to the issuance of a patent. A median of 1164 days informs the scheduling and budget expectations for applicants. This 1164 days duration is a factor in the overall prosecution timeline.

In Tech Center 1600, the examiner's 39.2% allowance rate and 74 resolved cases define the current landscape. The interview lift serves as a tool for navigating the prosecution process toward a grant.

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

Performance Statistics

39.2%
Allow Rate
-20.8% vs TC avg
123
Total Applications
+47.6%
Interview Lift
1164
Avg Prosecution Days
Based on 74 resolved cases, 2023–2026

Rejection Statute Breakdown

7.6%
§101 Eligibility
13.9%
§102 Novelty
32.5%
§103 Obviousness
31.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18692438 AAVRH74 PARTICLES FOR GENE THERAPY OF MUSCLE DISEASE Non-Final OA University of Florida Research Foundation, Incorporated
18026389 COMPOSITIONS AND METHODS FOR MODULATION OF BACTERIAL GENE EXPRESSION Non-Final OA University of Florida Research Foundation, Incorporated
18578052 POLYNUCLEOTIDES ENCODING PROPIONYL-COA CARBOXYLASE ALPHA AND BETA SUBUNITS FOR THE TREATMENT OF PROPIONIC ACIDEMIA Non-Final OA ModernaTX, Inc.
18012094 LNP COMPOSITIONS COMPRISING MRNA THERAPEUTICS WITH EXTENDED HALF-LIFE Final Rejection ModernaTX, Inc.
18417305 SYNTHETIC YEAST CELLS AND METHODS OF MAKING AND USING THE SAME Final Rejection Wisconsin Alumni Research Foundation
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
18005311 Targeted RNA cleavage with dCas13-RNase Fusion Proteins Final Rejection University of Rochester
17124999 MULTIPLEXED IN VIVO DISEASE SENSING WITH NUCLEIC ACID-BARCODED REPORTERS Final Rejection Massachusetts Institute of Technology
17097484 OPTOGENETIC CIRCUITS FOR CONTROLLING CHEMICAL AND PROTEIN PRODUCTION IN ESCHERICHIA COLI Non-Final OA THE TRUSTEES OF PRINCETON UNIVERSITY
17493293 TRANSPLANT PATIENT MONITORING WITH CELL-FREE DNA Non-Final OA The Medical College of Wisconsin, Inc.
18394091 ANTIGEN-BINDING MOLECULE AND COMBINATION Final Rejection Chugai Seiyaku Kabushiki Kaisha
17417822 MUTATED tRNA FOR CODON EXPANSION Final Rejection Chugai Seiyaku Kabushiki Kaisha
18294722 EPIGENETIC MODULATORS FOR TISSUE REPROGRAMMING Non-Final OA THE TRUSTEES OF INDIANA UNIVERSITY
17362038 Method for selecting cells based on CRISPR/Cas-mediated integration of a detectable tag to a target protein Final Rejection Hoffmann-La Roche Inc.
17599616 UNIVERSAL DNA ASSEMBLY Non-Final OA Oxford University Innovation Limited
17413434 Methods For Increasing The Productivity Of A Filamentous Fungal Cell In The Production Of A Polypeptide Non-Final OA Novozymes A/S
17602411 A Ribozyme Comprising a Target-Binding Domain Final Rejection AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
16826010 ACTIVITY-DEPENDENT GENE PAIRS AS THERAPEUTIC TARGETS AND METHODS AND DEVICES TO IDENTIFY THE SAME Non-Final OA Wayne State University
18609899 METHODS AND COMPOSITIONS FOR THE TREATMENT OF RARE DISEASES Non-Final OA Sangamo Therapeutics, Inc.
18042193 A METHOD FOR THE ISOLATION OF DOUBLE-STRAND BREAKS Final Rejection University College Cardiff Consultants Ltd
17615513 IMPROVED METHODS AND COMPOSITIONS FOR INCREASED DOUBLE STRANDED RNA PRODUCTION Final Rejection RNAISSANCE AG LLC

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