Prosecution Insights
Last updated: October 27, 2026

Nathanael Jason Downes, USPTO Patent Examiner

Listed by the USPTO as DOWNES, NATHANAEL JASON

Tech Center 1700 • Art Units: 1623 1738 1783 1794

This examiner grants 63% of resolved cases

Analysis

In Tech Center 1700 and Art Unit 1623, DOWNES, NATHANAEL JASON has resolved 35 cases. The allowance rate is 62.9%, the interview lift is 15.7%, and the median time to allowance is 1396 days. The small resolved portfolio limits the strength of broad inferences, while the figures indicate a prolonged prosecution path and a modest measured interview association.

The leading companies are Samsung Electronics Co., Ltd., Canon Inc., and The Boeing Company. The leading firms are CANTOR COLBURN LLP, DALY, CROWLEY, MOFFORD & DURKEE, LLP, and FITCH, EVEN, TABIN & FLANNERY, LLP. Counsel may benefit from detailed initial submissions and deliberate timeline management when prosecuting applications in this art unit.

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

Performance Statistics

62.9%
Allow Rate
-2.1% vs TC avg
58
Total Applications
+15.7%
Interview Lift
1396
Avg Prosecution Days
Based on 35 resolved cases, 2023–2026

Rejection Statute Breakdown

1.5%
§101 Eligibility
19.4%
§102 Novelty
50.3%
§103 Obviousness
26.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17990453 AIR PURIFIER AND OPERATING METHOD THEREOF Non-Final OA Samsung Electronics Co., Ltd.
18391322 ARTICLE CONTAINING SILICON CARBIDE AS MAIN COMPONENT, AND METHOD OF MANUFACTURING THE SAME Non-Final OA CANON KABUSHIKI KAISHA
17525247 Air Purification Apparatuses, Systems, and Methods for Removing Particulates, Volatile Organic Compounds, and Nitrous Oxide-Containing Compounds Final Rejection The Boeing Company
17912514 POLYGONAL FLOW REACTOR FOR PHOTOCHEMICAL PROCESSES Non-Final OA SIGNIFY HOLDING B.V.
17922055 METHOD FOR ELECTRIC FIELD ASSISTED, NON-CONTACT PRINTING AND PRINTED SENSORS Final Rejection REGENTS OF THE UNIVERSITY OF CALIFORNIA
18017954 METHOD FOR PRODUCING CIRCUIT BOARD Non-Final OA Resonac Corporation
18298967 PULSED ELECTRODEPOSITION FOR REVERSIBLE METAL ELECTRODEPOSITION TO CONTROL METAL FILM MORPHOLOGY AND OPTICAL PROPERTIES Non-Final OA The Regents of the University of Colorado, a Body Corporate
17864334 LIGHT IRRADIATION DEVICE Final Rejection HOYA CORPORATION
17626833 PROCESS FOR PRODUCING A GASEOUS PRODUCT COMPRISING HYDROGEN Final Rejection Oxford University Innovation Limited
18249828 METHOD FOR PRODUCING A CERAMIC COATING ON THE SURFACE OF AN ALUMINUM ALLOY SUBSTRATE BY MEANS OF PLASMA ELECTROLYTIC OXIDATION Non-Final OA Brembo S.p.A.

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Frequently Asked Questions

What is examiner Nathanael Jason Downes's allowance rate?

62.9% of resolved applications examined by Nathanael Jason Downes were allowed (35 resolved cases), compared with 51.3% across Art Unit 1623 over the last five years.

Does an interview help with examiner Nathanael Jason Downes?

This examiner's interview lift is +15.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Nathanael Jason Downes take to allow a patent?

Applications allowed by Nathanael Jason Downes took 1,396 days on average from filing to allowance.

Which art unit does examiner Nathanael Jason Downes work in?

Nathanael Jason Downes examines applications in Art Unit 1623 in Tech Center 1700 (Chemistry & Materials).

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