Prosecution Insights
Last updated: October 27, 2026

Rolando Patrick Virreira, USPTO Patent Examiner

Listed by the USPTO as VIRREIRA, ROLANDO PATRICK

Tech Center 4100 • Art Units: 2143 4100

This examiner grants 0% of resolved cases

Performance Statistics

—
Allow Rate
-60.0% vs TC avg
9
Total Applications
—
Interview Lift
0
Avg Prosecution Days
Based on 0 resolved cases, 2023–2026

Rejection Statute Breakdown

29.2%
§101 Eligibility
25.0%
§102 Novelty
29.2%
§103 Obviousness
16.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18840757 METHOD FOR INITIALIZING A NEURAL NETWORK Non-Final OA Robert Bosch GmbH
18481957 CHATBOT WITH LLM AND VECTORIZED DATABASE Non-Final OA The Toronto-Dominion Bank
18632056 ASSIGNING DATA STRUCTURES TO INSTANCES OF APPLICATIONS USING MACHINE LEARNING Non-Final OA State Farm Mutual Automobile Insurance Company
18497093 MACHINE LEARNING MODEL EXPLANATION BUILDER Non-Final OA Microsoft Technology Licensing, LLC
18740788 SYSTEMS AND METHODS FOR INTEGRATING MULTIPLE MODEL SIMULATIONS Non-Final OA Optum, Inc.
18491020 METHOD AND APPARATUS FOR ANALYZING MULTI-TARGET BASED ON REINFORCEMENT LEARNING FOR LEARNING UNDER-EXPLORED TARGET Non-Final OA SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
18492313 SYSTEMS AND METHODS TO EXPLAIN AN ARTIFICIAL INTELLIGENCE POLICY OF BEHAVIOR WITH CAUSAL REASONING Non-Final OA GM GLOBAL TECHNOLOGY OPERATIONS LLC

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Frequently Asked Questions

Which art unit does examiner Rolando Patrick Virreira work in?

Rolando Patrick Virreira examines applications in Art Unit 2143 in Tech Center 4100.

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