LIST HYGIENE Trademark

Trademark Overview


On Tuesday, September 30, 2025, a trademark application was filed for LIST HYGIENE with the United States Patent and Trademark Office. The USPTO has given the LIST HYGIENE trademark a serial number of 99421947. The federal status of this trademark filing is REGISTERED as of Tuesday, April 28, 2026. This trademark is owned by PRISM FLY LLC. The LIST HYGIENE trademark is filed in the Computer & Software Services & Scientific Services category with the following description:

Providing temporary use of on-line non-downloadable computer software for e-mail address verification, list cleaning, deduplication, suppression-list management, and related analytics.
list hygiene

General Information


Serial Number99421947
Word MarkLIST HYGIENE
Filing DateTuesday, September 30, 2025
Status700 - REGISTERED
Status DateTuesday, April 28, 2026
Registration Number8231855
Registration DateTuesday, April 28, 2026
Mark Drawing4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form
Published for Opposition DateTuesday, March 10, 2026

Trademark Statements


Goods and ServicesProviding temporary use of on-line non-downloadable computer software for e-mail address verification, list cleaning, deduplication, suppression-list management, and related analytics.
NOT AVAILABLELIST

Classification Information


International Class042 - Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software.
US Class Codes100, 101
Class Status Code6 - Active
Class Status DateTuesday, September 30, 2025
Primary Code042
First Use Anywhere DateFriday, May 2, 2025
First Use In Commerce DateFriday, May 2, 2025

Trademark Owner History


Party NamePRISM FLY LLC
Party Type30 - Original Registrant
Legal Entity Type16 - Limited Liability Company
AddressGarland, TX 75043
US

Party NamePRISM FLY LLC
Party Type20 - Owner at Publication
Legal Entity Type16 - Limited Liability Company
AddressGarland, TX 75043
US

Party NamePRISM FLY LLC
Party Type10 - Original Applicant
Legal Entity Type16 - Limited Liability Company
AddressGarland, TX 75043
US

Trademark Events


Event DateEvent Description
Tuesday, September 30, 2025NEW APPLICATION ENTERED
Tuesday, September 30, 2025NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Tuesday, September 30, 2025APPLICATION FILING RECEIPT MAILED
Wednesday, February 4, 2026ASSIGNED TO EXAMINER
Thursday, February 12, 2026NON-FINAL ACTION WRITTEN
Thursday, February 12, 2026NON-FINAL ACTION E-MAILED
Thursday, February 12, 2026NOTIFICATION OF NON-FINAL ACTION E-MAILED
Thursday, February 12, 2026TEAS RESPONSE TO OFFICE ACTION RECEIVED
Thursday, February 12, 2026CORRESPONDENCE RECEIVED IN LAW OFFICE
Thursday, February 12, 2026TEAS/EMAIL CORRESPONDENCE ENTERED
Friday, February 13, 2026APPROVED FOR PUB - PRINCIPAL REGISTER
Wednesday, March 4, 2026NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
Tuesday, March 10, 2026PUBLISHED FOR OPPOSITION
Tuesday, March 10, 2026OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Tuesday, April 28, 2026REGISTERED-PRINCIPAL REGISTER
Tuesday, April 28, 2026NOTICE OF REGISTRATION CONFIRMATION EMAILED