Prosecution Insights
Last updated: October 26, 2026

Ivan Alexander Castaneda, USPTO Patent Examiner

Listed by the USPTO as CASTANEDA, IVAN ALEXANDER

Tech Center 2100 • Art Units: 2171 2195

This examiner grants 57% of resolved cases

Analysis

CASTANEDA, IVAN ALEXANDER works in tech center 2100 and art unit 2171. The profile contains 7 resolved cases, a 57.1% allowance rate, and a 1315-day median to allowance. The 41.7% interview lift is the strongest directional feature in this limited record, indicating that interviews have been associated with improved allowance outcomes.

The listed companies are Dell Products L.P., NXP Semiconductors N.V., and HP Inc. The leading firms are SUGHRUE MION, PLLC, Dority & Manning, P.A. and Red Hat, Inc., and Keller Preece PLLC. Because the resolved-case volume is small, counsel should use the profile as an initial signal and rely heavily on the specific application record when planning prosecution.

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

Performance Statistics

57.1%
Allow Rate
+2.1% vs TC avg
45
Total Applications
+41.7%
Interview Lift
1315
Avg Prosecution Days
Based on 7 resolved cases, 2023–2026

Rejection Statute Breakdown

11.9%
§101 Eligibility
6.0%
§102 Novelty
61.3%
§103 Obviousness
17.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17921113 KNOWLEDGE BASE RECOMMENDATIONS Non-Final OA Hewlett-Packard Development Company, L.P.
17905759 POWER MANAGEMENT ON A VEHICLE Final Rejection JAGUAR LAND ROVER LIMITED
18193303 GUEST SECRET PROTECTION FOR VIRTUAL MACHINES Non-Final OA Red Hat, Inc.
18920084 OUT-OF-BAND MANAGEMENT OF COMMUNICATION MODALITIES USED BY DATA PROCESSING SYSTEMS Non-Final OA Dell Products L.P.
18427022 LCS EMULATED-PHYSICAL-FUNCTION-ENABLED RESOURCE SYSTEM Final Rejection Dell Products L.P.
18160738 SYSTEMS AND METHODS FOR PERIPHERAL DEVICE CONTROL VIRTUALIZATION Final Rejection Dell Products L.P.
18886700 SYSTEMS AND METHODS FOR INTEGRATING CHATBOTS INTO APPLICATIONS Non-Final OA Netflix, Inc.

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Frequently Asked Questions

What is examiner Ivan Alexander Castaneda's allowance rate?

57.1% of resolved applications examined by Ivan Alexander Castaneda were allowed (7 resolved cases), compared with 56.1% across Art Unit 2171 over the last five years.

Does an interview help with examiner Ivan Alexander Castaneda?

This examiner's interview lift is +41.7 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Ivan Alexander Castaneda take to allow a patent?

Applications allowed by Ivan Alexander Castaneda took 1,315 days on average from filing to allowance.

Which art unit does examiner Ivan Alexander Castaneda work in?

Ivan Alexander Castaneda examines applications in Art Unit 2171 in Tech Center 2100 (Computing & Software).

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