Prosecution Insights
Last updated: October 27, 2026

Erika J Villaluna, USPTO Patent Examiner

Listed by the USPTO as VILLALUNA, ERIKA J

Tech Center 2800 • Art Units: 2852

This examiner grants 85% of resolved cases

Analysis

VILLALUNA, ERIKA J works in tech center 2800 and art unit 2852. The profile includes 961 resolved cases, an allowance rate of 84.7%, and a median of 856 days to allowance. The interview lift is 3.4%, indicating a modest recorded relationship between interviews and allowance outcomes despite the high allowance result.

The principal company clients are Robert Bosch GmbH, Rolls-Royce plc, and Canon Inc. The leading firms are NORTON ROSE FULBRIGHT US LLP, CANTOR COLBURN LLP, and FINNEGAN, HENDERSON, FARABOW, GARRETT & DUNNER. This profile gives practitioners a substantial case record for evaluating examiner tendencies, with the client and firm data identifying common prosecution contexts in art unit 2852.

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

Performance Statistics

84.7%
Allow Rate
+16.7% vs TC avg
986
Total Applications
+3.4%
Interview Lift
856
Avg Prosecution Days
Based on 961 resolved cases, 2023–2026

Rejection Statute Breakdown

1.2%
§101 Eligibility
35.2%
§102 Novelty
47.5%
§103 Obviousness
10.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18975480 DEVELOPING CARTRIDGE INCLUDING SUPPLY ROLLER, LAYER THICKNESS REGULATION BLADE, AND SUPPLY ELECTRODE ELECTRICALLY CONNECTED TO BOTH SUPPLY ROLLER AND LAYER THICKNESS REGULATION BLADE Non-Final OA BROTHER KOGYO KABUSHIKI KAISHA
18737303 MODULAR MECHANICAL TEST APPARATUS FOR CMC COMPONENT Non-Final OA Rolls-Royce plc
18985514 DEVELOPER SUPPLY CONTAINER AND DEVELOPER SUPPLYING SYSTEM Non-Final OA CANON KABUSHIKI KAISHA
18905186 METHOD FOR DETECTING CONTAMINANTS/CONTAMINATION IN A PRESSURE SENSOR, AND PRESSURE SENSOR Non-Final OA Robert Bosch GmbH
18904304 METHOD FOR DETECTING CONTAMINATION OF A MEASURING DEVICE BY A FLUID AND/OR PARTICLES FOR AN ELECTRONIC SYSTEM, AND ELECTRONIC SYSTEM Non-Final OA Robert Bosch GmbH
18734129 SENSOR, SENSOR SYSTEM, AND ELECTRONIC DEVICE Non-Final OA KABUSHIKI KAISHA TOSHIBA
19384273 STIFFNESS MEASUREMENT APPARATUS AND IMAGE FORMING SYSTEM Non-Final OA Konica Minolta, Inc.
18718435 METHOD FOR EVALUATING SUSCEPTIBILITY TO LIQUID METAL EMBRITTLEMENT CRACKING IN RESISTANCE SPOT WELDED PORTION OF STEEL SHEET Non-Final OA JFE STEEL CORPORATION
18680662 INSPECTION SCOPE WITH VIBRATION ISOLATOR FOR TRANSDUCER Final Rejection RTX Corporation

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Frequently Asked Questions

What is examiner Erika J Villaluna's allowance rate?

84.7% of resolved applications examined by Erika J Villaluna were allowed (961 resolved cases), compared with 78.8% across Art Unit 2852 over the last five years.

Does an interview help with examiner Erika J Villaluna?

This examiner's interview lift is +3.4 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Erika J Villaluna take to allow a patent?

Applications allowed by Erika J Villaluna took 856 days on average from filing to allowance.

Which art unit does examiner Erika J Villaluna work in?

Erika J Villaluna examines applications in Art Unit 2852 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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