Prosecution Insights
Last updated: October 27, 2026

Ella Lorraine Keena, USPTO Patent Examiner

Listed by the USPTO as KEENA, ELLA LORRAINE

Tech Center 3700 • Art Units: 3722 3724

This examiner grants 13% of resolved cases

Analysis

KEENA, ELLA LORRAINE is a USPTO patent examiner in tech center 3700 and art unit 3722. The profile records 23 resolved cases, with an allowance rate of 13.0% and a median of 1048 days to allowance. The interview lift is 14.5%, indicating that interviews are a relevant part of prosecution strategy in this record, even though the overall allowance rate is limited.

Applicants associated with Dorco Co., Ltd., Koninklijke Philips N.V., and The Gillette Company LLC appear among the leading companies. The leading firms are Knobbe, Martens, Olson & Bear, LLP, Brooks Kushman P.C., and AMIN, TUROCY & WATSON, LLP. Counsel handling matters in this docket should prepare for extended prosecution and use interviews selectively, with claim amendments and technical explanations closely aligned to the issues raised during examination.

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

Performance Statistics

13.0%
Allow Rate
-57.0% vs TC avg
87
Total Applications
+14.5%
Interview Lift
1048
Avg Prosecution Days
Based on 23 resolved cases, 2023–2026

Rejection Statute Breakdown

0%
§101 Eligibility
21.5%
§102 Novelty
60.4%
§103 Obviousness
17.8%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18132169 BLADE FOR SAWING A PANEL LEVEL PACKAGE AND METHOD OF SAWING A PANEL LEVEL PACKAGE USING THE SAME Final Rejection SAMSUNG ELECTRONICS CO., LTD.
18408613 CUTTING DEVICE AND PRINTER APPARATUS Non-Final OA TOSHIBA TEC KABUSHIKI KAISHA
18715186 ROTATING AN EXTERNAL CUTTING MEMBER OF A SHAVING UNIT Final Rejection KONINKLIJKE PHILIPS N.V.
18574515 MOUNTING ASSEMBLY FOR A HAIR CUTTING APPLIANCE Final Rejection KONINKLIJKE PHILIPS N.V.
18023757 POWERING A FUNCTIONAL UNIT AND OBTAINING A MEASUREMENT SIGNAL VIA A SINGLE PAIR OF ELECTRICAL CONNECTION PATHS Non-Final OA KONINKLIJKE PHILIPS N.V.
17767321 CUTTING AID FOR WOUND THERAPY SYSTEMS Final Rejection Solventum Intellectual Properties Company
18443890 APPARATUS FOR MANUFACTURING ELECTRODE Non-Final OA SK On Co., Ltd.
18643695 SHAVING RAZOR CARTRIDGE Final Rejection The Gillette Company LLC
18243205 COVER AND STAND FOR PERSONAL CARE PRODUCT Non-Final OA The Gillette Company LLC
18124047 RAZOR BLADES Final Rejection The Gillette Company LLC
18124032 RAZOR BLADES Final Rejection The Gillette Company LLC
18565086 CUTTING APPARATUS, CLEANING DEVICE, CLEANING BASE STATION, CLEANING SYSTEM, AND METHOD Non-Final OA MIDEA GROUP CO., LTD.
18176629 INITIAL PRODUCT, CUTTING DEVICE AND PRODUCT MANUFACTURING METHOD Non-Final OA TE Connectivity Services GmbH

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Frequently Asked Questions

What is examiner Ella Lorraine Keena's allowance rate?

13.0% of resolved applications examined by Ella Lorraine Keena were allowed (23 resolved cases), compared with 54.2% across Art Unit 3722 over the last five years.

Does an interview help with examiner Ella Lorraine Keena?

This examiner's interview lift is +14.5 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Ella Lorraine Keena take to allow a patent?

Applications allowed by Ella Lorraine Keena took 1,048 days on average from filing to allowance.

Which art unit does examiner Ella Lorraine Keena work in?

Ella Lorraine Keena examines applications in Art Unit 3722 in Tech Center 3700 (Medical Devices & Mechanical Engineering).

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