Prosecution Insights
Last updated: October 27, 2026

Paul A Castro, USPTO Patent Examiner

Listed by the USPTO as CASTRO, PAUL A

Tech Center 3600 • Art Units: 3658 3662

This examiner grants 79% of resolved cases

Analysis

CASTRO, PAUL A is assigned to tech center 3600 and art unit 3658. The record includes 286 resolved cases, a 78.7% allowance rate, and a 1168-day median to allowance. The 21.4% interview lift suggests that interviews have been associated with better allowance outcomes in the recorded matters.

The principal companies are Kia Corporation, NEC Corporation, and Volvo Group. The leading firms are Fox Rothschild LLP, MBHB - Waymo, and MBHB - Wing Aviation LLC. The allowance record supports a constructive prosecution outlook, but the median time to allowance indicates that counsel should account for a process that may require continued written and examiner-facing engagement.

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

Performance Statistics

78.7%
Allow Rate
+26.7% vs TC avg
302
Total Applications
+21.4%
Interview Lift
1168
Avg Prosecution Days
Based on 286 resolved cases, 2023–2026

Rejection Statute Breakdown

13.5%
§101 Eligibility
10.7%
§102 Novelty
47.2%
§103 Obviousness
25.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18275942 IMPROVEMENT ITEM DETECTION APPARATUS, IMPROVEMENT ITEM DETECTION METHOD, AND NON-TRANSITORY STORAGE MEDIUM Final Rejection NEC Corporation
18800349 REAL-TIME IDENTIFICATION OF VEHICLE FEATURES FOR ADAPTIVE BEHAVIOR IN SELF-DRIVING VEHICLES Non-Final OA Volvo Car Corporation
17850492 AUTONOMOUS VEHICLE, CONTROL SYSTEM FOR REMOTELY CONTROLLING THE SAME, AND METHOD THEREOF Final Rejection Kia Corporation
17841260 ELECTRIC VEHICLE CHARGING MODE RECOMMENDATION APPARATUS AND METHOD USING VEHICLE DRIVING DATA Final Rejection Kia Corporation
18292453 METHOD FOR CONTROLLING A VEHICLE AND AVOIDING OBSTACLES Final Rejection Nissan Motor Co., Ltd
19016748 Payload-Release Device Position Tracking Non-Final OA Wing Aviation LLC
18064612 Methods and Systems for Providing Remote Assistance to an Autonomous Vehicle Final Rejection Waymo LLC

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Frequently Asked Questions

What is examiner Paul A Castro's allowance rate?

78.7% of resolved applications examined by Paul A Castro were allowed (286 resolved cases), compared with 61.9% across Art Unit 3658 over the last five years.

Does an interview help with examiner Paul A Castro?

This examiner's interview lift is +21.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Paul A Castro take to allow a patent?

Applications allowed by Paul A Castro took 1,168 days on average from filing to allowance.

Which art unit does examiner Paul A Castro work in?

Paul A Castro examines applications in Art Unit 3658 in Tech Center 3600 (Transportation, E-Commerce & Mechanical Systems).

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