Prosecution Insights
Last updated: October 01, 2026

Examiner: DOWNES, NATHANAEL JASON

Tech Center 1700 • Art Units: 1623 1783 1794

This examiner grants 62% of resolved cases

Analysis

Nathanael Jason Downes is an examiner in Art Unit 1623 of Tech Center 1700. With 32 resolved cases, the examiner has an allowance rate of 62.5%. This rate suggests a fair chance of success for applications in this unit. The median days to allowance is 1382, which is a significant factor for applicants to keep in mind.

The interview lift is 16.7%, indicating that interviews are a useful tool for improving the probability of allowance relative to the 62.5% baseline. The 32 resolved cases provide a baseline for these metrics. In Tech Center 1700, the 62.5% allowance rate and 16.7% interview lift suggest that success is likely.

The 1382-day median duration requires patience and strategic planning in Art Unit 1623. Practitioners can use these figures to better understand the examiner's tendencies. These data points offer a precise view of the prosecution landscape for this specific examiner.

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

Performance Statistics

62.5%
Allow Rate
-2.5% vs TC avg
52
Total Applications
+16.7%
Interview Lift
1382
Avg Prosecution Days
Based on 32 resolved cases, 2023–2026

Rejection Statute Breakdown

1.4%
§101 Eligibility
18.8%
§102 Novelty
53.1%
§103 Obviousness
24.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17990453 AIR PURIFIER AND OPERATING METHOD THEREOF Non-Final OA Samsung Electronics Co., Ltd.
17525247 Air Purification Apparatuses, Systems, and Methods for Removing Particulates, Volatile Organic Compounds, and Nitrous Oxide-Containing Compounds Final Rejection The Boeing Company
18391322 ARTICLE CONTAINING SILICON CARBIDE AS MAIN COMPONENT, AND METHOD OF MANUFACTURING THE SAME Non-Final OA CANON KABUSHIKI KAISHA
17912514 POLYGONAL FLOW REACTOR FOR PHOTOCHEMICAL PROCESSES Non-Final OA SIGNIFY HOLDING B.V.
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
17905358 METHOD FOR EXFOLIATING AND/OR FUNCTIONALISING LAMELLAR OBJECTS AND ASSOCIATED DEVICE Non-Final OA CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
17626833 PROCESS FOR PRODUCING A GASEOUS PRODUCT COMPRISING HYDROGEN Final Rejection Oxford University Innovation Limited
17974516 Systems, Methods and Apparatus for Manufacturing Helium-3 from a Beam of Protons Non-Final OA Kepler Fusion Inc.

Facing This Examiner?

IP Author analyzes examiner patterns and generates tailored response strategies with the highest chance of allowance.

Build Your Strategy

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month