Prosecution Insights
Last updated: October 26, 2026

William Arauz Rivera, USPTO Patent Examiner

Listed by the USPTO as RIVERA, WILLIAM ARAUZ

Tech Center 3600 • Art Units: 3651 3654

This examiner grants 75% of resolved cases

Analysis

RIVERA, WILLIAM ARAUZ is assigned to tech center 3600 and art unit 3651. The profile covers 1305 resolved cases and shows an allowance rate of 74.6%. Median time to allowance is 938 days, giving a substantial record for evaluating prosecution timing in this assignment.

Interview lift is 7.7%, indicating that the recorded allowance outcome is not accompanied by a large interview-related effect. The listed companies are Broadway Holdings I LLC, Canon Inc., and The Procter & Gamble Company. The listed firms are WEISS & WEISS, Adams and Reese LLP, and ASLAN LAW, P.C. Counsel may therefore place primary emphasis on claim drafting and written response quality, while using interviews for discrete issues.

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

Performance Statistics

74.6%
Allow Rate
+22.6% vs TC avg
1,337
Total Applications
+7.7%
Interview Lift
938
Avg Prosecution Days
Based on 1305 resolved cases, 2023–2026

Rejection Statute Breakdown

0.3%
§101 Eligibility
28.1%
§102 Novelty
42.5%
§103 Obviousness
19.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18883426 PRINTING APPARATUS Final Rejection CANON KABUSHIKI KAISHA
19189314 DURABLE TRANSFER ROLL CORE AND METHOD OF MAKING AND USING THE SAME Non-Final OA The Procter & Gamble Company
18720377 SAMPLE SORTING SYSTEM Non-Final OA Hitachi High-Tech Corporation
19169605 Paper Product Dispenser with Improved Dispensing Non-Final OA Kimberly-Clark Worldwide, Inc.
18864501 AUTOMATIC MATERIAL TURNING CNC EQUIPMENT LOADING AND UNLOADING MACHINE Non-Final OA Shenzhen FSJ Intelligent Technical Co., Ltd.
18649720 ROBOTIC ARM AND GRIPPER VACUUM COLLECTION SYSTEM Non-Final OA Individual inventor

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Frequently Asked Questions

What is examiner William Arauz Rivera's allowance rate?

74.6% of resolved applications examined by William Arauz Rivera were allowed (1,305 resolved cases), compared with 65.4% across Art Unit 3651 over the last five years.

Does an interview help with examiner William Arauz Rivera?

This examiner's interview lift is +7.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner William Arauz Rivera take to allow a patent?

Applications allowed by William Arauz Rivera took 938 days on average from filing to allowance.

Which art unit does examiner William Arauz Rivera work in?

William Arauz Rivera examines applications in Art Unit 3651 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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