Prosecution Insights
Last updated: October 27, 2026

Charles A Guiliano, USPTO Patent Examiner

Listed by the USPTO as GUILIANO, CHARLES A

Tech Center 3600 • Art Units: 3623 3669

This examiner grants 37% of resolved cases

Analysis

GUILIANO, CHARLES A is a USPTO patent examiner in tech center 3600 and art unit 3623. The record includes 351 resolved cases, an allowance rate of 37.3%, and an interview lift of 37.4%. The median time to allowance is 1338 days. The allowance figure reflects a demanding prosecution profile in the recorded cases, while the interview figure indicates that interviews are associated with a substantial change in the observed allowance measure. The timing measure reinforces the need for planning beyond the initial examination cycle.

The leading companies are Toyota Motor Corporation, NEC Corporation, and Panasonic Holdings Corporation. The associated firms are ADE & COMPANY INC., ARENTFOX SCHIFF LLP - New York, and Blueshift IP LLC. Applicants may want to prepare for focused claim negotiations and use interviews to address issues that are difficult to resolve through written submissions alone. The technology mix spans automotive, communications, and electronics matters, so counsel should tailor technical explanations closely to the claimed subject matter.

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

Performance Statistics

37.3%
Allow Rate
-14.7% vs TC avg
389
Total Applications
+37.4%
Interview Lift
1338
Avg Prosecution Days
Based on 351 resolved cases, 2023–2026

Rejection Statute Breakdown

35.0%
§101 Eligibility
10.9%
§102 Novelty
35.2%
§103 Obviousness
17.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19231555 COMMERCIAL ACTIVITY SUPPORT SYSTEM Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18923812 INFORMATION PROCESSING APPARATUS, MUTUAL WATCHING METHOD, RECORDING MEDIUM, AND MUTUAL WATCHING SYSTEM Non-Final OA NEC Corporation
19200859 INFORMATION PROCESSING METHOD, INFORMATION PROCESSING DEVICE, AND INFORMATION PROCESSING SYSTEM Non-Final OA Panasonic Intellectual Property Management Co., Ltd.
19216043 INDICATING CHARGING STATUS OF A BATTERY Non-Final OA Volvo Construction Equipment AB
18581829 PREDICTING TAKEOVERS ACROSS MOBILITIES FOR FUTURE PERSONALIZED MOBILITY SERVICES Final Rejection Honda Motor Co., Ltd.
17656355 ARTIFICIAL INTELLIGENCE-BASED TASK ASSIGNMENT ASSISTANT IN MULTIPARTICIPANT MESSAGE EXCHANGES Non-Final OA International Business Machines Corporation
18158758 SYSTEMS AND METHODS FOR A HIERARCHICAL FEATURE PROPAGATOR Non-Final OA UKG Inc.

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Frequently Asked Questions

What is examiner Charles A Guiliano's allowance rate?

37.3% of resolved applications examined by Charles A Guiliano were allowed (351 resolved cases), compared with 24.1% across Art Unit 3623 over the last five years.

Does an interview help with examiner Charles A Guiliano?

This examiner's interview lift is +37.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Charles A Guiliano take to allow a patent?

Applications allowed by Charles A Guiliano took 1,338 days on average from filing to allowance.

Which art unit does examiner Charles A Guiliano work in?

Charles A Guiliano examines applications in Art Unit 3623 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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