Prosecution Insights
Last updated: October 27, 2026

Ernesto Arturio Grano, USPTO Patent Examiner

Listed by the USPTO as GRANO, ERNESTO ARTURIO

Tech Center 3700 • Art Units: 1624 3728 3733 3735 3736 3788

This examiner grants 61% of resolved cases

Analysis

GRANO, ERNESTO ARTURIO is a USPTO patent examiner in Tech Center 3700 and art unit 1624. The record contains 990 resolved cases, with an allowance rate of 61.2% and a median of 1125 days to allowance. Interview participation shows a lift of 25.3%, indicating a positive association with allowance across the available cases.

The leading companies are Entegris Inc., Canon Inc., and Mid-America Machining Inc. The listed firms are BANNER & WITCOFF, LTD., Calderone McKay LLC, and EDELL, SHAPIRO & FINNAN, LLC. The large record provides a strong basis for reviewing recurring prosecution themes, including the types of amendments and interview discussions that have preceded successful outcomes.

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

Performance Statistics

61.2%
Allow Rate
-8.8% vs TC avg
1,024
Total Applications
+25.3%
Interview Lift
1125
Avg Prosecution Days
Based on 990 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
23.8%
§102 Novelty
51.9%
§103 Obviousness
22.2%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
19182346 LIQUID CONTAINER Final Rejection CANON KABUSHIKI KAISHA
19200397 RETICLE POD Non-Final OA ENTEGRIS, INC.
19200333 CONTAINER POD AND RELATED SYSTEMS AND METHODS Non-Final OA ENTEGRIS, INC.

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Frequently Asked Questions

What is examiner Ernesto Arturio Grano's allowance rate?

61.2% of resolved applications examined by Ernesto Arturio Grano were allowed (990 resolved cases), compared with 54.6% across Art Unit 1624 over the last five years.

Does an interview help with examiner Ernesto Arturio Grano?

This examiner's interview lift is +25.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Ernesto Arturio Grano take to allow a patent?

Applications allowed by Ernesto Arturio Grano took 1,125 days on average from filing to allowance.

Which art unit does examiner Ernesto Arturio Grano work in?

Ernesto Arturio Grano examines applications in Art Unit 1624 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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