Prosecution Insights
Last updated: October 02, 2026

Examiner: GRANO, ERNESTO ARTURIO

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

This examiner grants 61% of resolved cases

Analysis

Ernesto Arturio Grano serves as a patent examiner in Tech Center 3700, where he is assigned to Art Unit 3728. His professional record includes 982 resolved cases, providing a robust dataset for analyzing his examination patterns. The examiner maintains an allowance rate of 61.1%, which serves as a primary indicator of the likelihood of success for applicants. Furthermore, the data reveals a 25.4% interview lift, suggesting that oral advocacy can play a meaningful role in securing an allowance.

The median days to allowance for applications under his review is 1129. This timeframe of 1129 days reflects the typical duration from filing to a successful outcome in Art Unit 3728. Given the 25.4% interview lift, practitioners might find that scheduling an interview early in the process is a strategic move to address rejections more efficiently. With 982 resolved cases, the examiner has a well-established history that applicants can use to benchmark their own prosecution progress.

In the context of Tech Center 3700, the 61.1% allowance rate suggests a balanced approach to patentability. Practitioners should be prepared for a thorough examination process while keeping the 1129-day median pendency in mind. Utilizing the interview process appears to be a statistically supported method for improving the odds of a positive result.

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
1,014
Total Applications
+25.3%
Interview Lift
1127
Avg Prosecution Days
Based on 984 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
23.7%
§102 Novelty
52.2%
§103 Obviousness
22.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18843886 LIGHTWEIGHT CONTAINER Non-Final OA MID-AMERICA MACHINING, INC.
19174222 Storage Devices for Modular Unit Final Rejection Milwaukee Electric Tool Corporation
18970643 CONTAINER TRAY Final Rejection Yanmar Holdings Co., Ltd.
19182346 LIQUID CONTAINER Final Rejection CANON KABUSHIKI KAISHA
18593506 CONTAINER COMPRISING FIBERS, COMPRISING A CONTAINER BODY COMPRISING FIBERS AND A HINGED CLOSURE COMPRISING FIBERS ARRANGED ON THE CONTAINER BODY, AND A HINGED CLOSURE COMPRISING FIBERS Final Rejection Krones AG
19200397 RETICLE POD Non-Final OA ENTEGRIS, INC.
18569526 ACCESSORY ATTACHMENT ASSEMBLY FOR CONTAINER Non-Final OA Home Depot Product Authority, LLC

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