Prosecution Insights
Last updated: October 26, 2026

Danaya L Middleton, USPTO Patent Examiner

Listed by the USPTO as MIDDLETON, DANAYA L

Tech Center 4100 • Art Units: 1618 1643 1646 1674 4100

This examiner grants 50% of resolved cases

Analysis

MIDDLETON, DANAYA L is assigned to tech center 4100 and art unit 1618. The record includes 99 resolved cases and a 49.5% allowance rate. The interview lift is 48.8%, indicating a substantial positive association with allowance outcomes. The median time to allowance is 1317 days.

The listed companies are The Regents of the University of California, Chugai Seiyaku Kabushiki Kaisha, and Boehringer Ingelheim International GmbH. The listed firms are NIXON & VANDERHYE, PC, HARNESS DICKEY (DETROIT), and ArentFox Schiff, LLP & Memorial Sloan-Kettering. The allowance result indicates a mixed outcome profile, while the interview measure supports investing in well-prepared examiner discussions. The case record is useful but limited, so practitioners should avoid treating the association as conclusive. The median timing favors early planning for prosecution resources and claim strategy.

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

Performance Statistics

49.5%
Allow Rate
-10.5% vs TC avg
137
Total Applications
+48.8%
Interview Lift
1317
Avg Prosecution Days
Based on 99 resolved cases, 2023–2026

Rejection Statute Breakdown

4.7%
§101 Eligibility
13.8%
§102 Novelty
21.7%
§103 Obviousness
36.6%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18327255 HUMAN ANTIBODIES TO TN ANTIGEN Final Rejection Boehringer Ingelheim International GmbH
17212456 IL-11 ANTIBODIES Non-Final OA Boehringer Ingelheim International GmbH
17642515 IMMUNOACTIVE MICROPARTICLES AND USES THEREOF Final Rejection The Regents of the University of California
17638519 IMPLANTABLE SCAFFOLDS AND USES THEREOF FOR IMMUNOTHERAPY AND OTHER USES Final Rejection The Regents of the University of California
18036620 BIPHASIC SUBCUTANEOUS DOSING REGIMENS FOR ANTI-VLA-4 ANTIBODIES Final Rejection BIOGEN MA INC.
17633255 METHOD OF TREATING KELOIDS Non-Final OA Icahn School of Medicine at Mount Sinai
17770259 HLA CLASS I SEQUENCE DIVERGENCE AND CANCER THERAPY Non-Final OA Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V.
18538932 SEQUENTIAL TRANSARTERIAL CHEMOEMBOLIZATION, STEREOTACTIC BODY RADIOTHERAPY, AND IMMUNOTHERAPY (START-FIT) FOR HEPATOCELLULAR CARCINOMA Non-Final OA The University of Hong Kong

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Frequently Asked Questions

What is examiner Danaya L Middleton's allowance rate?

49.5% of resolved applications examined by Danaya L Middleton were allowed (99 resolved cases), compared with 33.1% across Art Unit 1618 over the last five years.

Does an interview help with examiner Danaya L Middleton?

This examiner's interview lift is +48.8 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Danaya L Middleton take to allow a patent?

Applications allowed by Danaya L Middleton took 1,317 days on average from filing to allowance.

Which art unit does examiner Danaya L Middleton work in?

Danaya L Middleton examines applications in Art Unit 1618 in Tech Center 4100.

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