Prosecution Insights
Last updated: October 26, 2026

Julian D Huffman, USPTO Patent Examiner

Listed by the USPTO as HUFFMAN, JULIAN D

Tech Center 2800 • Art Units: 1788 2800 2817 2833 2851 2853 2857 2859 2896

This examiner grants 79% of resolved cases

Analysis

HUFFMAN, JULIAN D works in Tech Center 2800 and Art Unit 1788. Across 689 resolved cases, the allowance rate is 79.4%, the interview lift is 4.6%, and the median time to allowance is 891 days. The profile shows a substantial allowance record, while the small interview lift suggests that written prosecution work may carry greater practical weight.

Canon Inc., SUBARU Corporation, and Seiko Epson Corporation are the listed companies. Venable LLP, Fredrikson & Byron, P. A., and HARNESS DICKEY (DETROIT) are the listed firms. Practitioners can prioritize concise claim amendments and well-supported responses, reserving interviews for issues that cannot be efficiently resolved on paper.

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

Performance Statistics

79.4%
Allow Rate
+11.4% vs TC avg
714
Total Applications
+4.6%
Interview Lift
891
Avg Prosecution Days
Based on 689 resolved cases, 2023–2026

Rejection Statute Breakdown

2.9%
§101 Eligibility
31.7%
§102 Novelty
43.5%
§103 Obviousness
17.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19189825 PRINTING DEVICE READING SURFACE OF PRINTING TARGET ON PLATEN TO OBTAIN SCAN DATA Non-Final OA BROTHER KOGYO KABUSHIKI KAISHA
19040285 PRINTING APPARATUS, AND CONTROL METHOD THEREOF Non-Final OA CANON KABUSHIKI KAISHA
18166815 BATTERY DETERIORATION DEGREE PREDICTION APPARATUS Final Rejection SUBARU CORPORATION
18978508 Liquid Ejecting Head And Liquid Ejecting Apparatus Non-Final OA SEIKO EPSON CORPORATION
18337099 METHOD FOR GENERATING MATRIX DATA FOR CONVOLUTIONAL NEURAL NETWORK AND LEARNING SYSTEM USING CONVOLUTIONAL NEURAL NETWORK Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
19118279 PRINTING FLUID DELIVERY DEVICES Non-Final OA HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

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Frequently Asked Questions

What is examiner Julian D Huffman's allowance rate?

79.4% of resolved applications examined by Julian D Huffman were allowed (689 resolved cases), compared with 36.6% across Art Unit 1788 over the last five years.

Does an interview help with examiner Julian D Huffman?

This examiner's interview lift is +4.6 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Julian D Huffman take to allow a patent?

Applications allowed by Julian D Huffman took 891 days on average from filing to allowance.

Which art unit does examiner Julian D Huffman work in?

Julian D Huffman examines applications in Art Unit 1788 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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