LEFOS Trademark
Trademark Overview
On Tuesday, February 3, 2026, a trademark application was filed for LEFOS with the United States Patent and Trademark Office. The USPTO has given the LEFOS trademark a serial number of 99631573. The federal status of this trademark filing is NON-FINAL ACTION - MAILED as of Tuesday, June 2, 2026. This trademark is owned by Earendil Inc.. The LEFOS trademark is filed in the Computer & Software Products & Electrical & Scientific Products category with the following description:
Software featuring artificial intelligence, namely, AI-based agents and virtual assistants for managing digital correspondence, including email and electronic messages;Software featuring artificial intelligence for enabling, analyzing, and managing digital communications and agentic workflows;Software featuring artificial intelligence for answering questions, analyzing documents, translating text, and participating in digital communication conversations;Software featuring artificial intelligence for enhancing personal productivity applications;Software featuring artificial intelligence for small business administrative workflows;Software featuring artificial intelligence for personal data storage and personal data computation;Software design and development services
General Information
| Serial Number | 99631573 |
| Word Mark | LEFOS |
| Filing Date | Tuesday, February 3, 2026 |
| Status | 641 - NON-FINAL ACTION - MAILED |
| Status Date | Tuesday, June 2, 2026 |
| Registration Number | 0000000 |
| Registration Date | NOT AVAILABLE |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | NOT AVAILABLE |
Trademark Statements
| Goods and Services | Software featuring artificial intelligence, namely, AI-based agents and virtual assistants for managing digital correspondence, including email and electronic messages;Software featuring artificial intelligence for enabling, analyzing, and managing digital communications and agentic workflows;Software featuring artificial intelligence for answering questions, analyzing documents, translating text, and participating in digital communication conversations;Software featuring artificial intelligence for enhancing personal productivity applications;Software featuring artificial intelligence for small business administrative workflows;Software featuring artificial intelligence for personal data storage and personal data computation;Software design and development services |
Classification Information
| International Class | 009 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire extinguishing apparatus. |
| US Class Codes | 021, 023, 026, 036, 038 |
| Class Status Code | 6 - Active |
| Class Status Date | Tuesday, February 3, 2026 |
| Primary Code | 009 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
Trademark Owner History
| Party Name | Earendil Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Wilmington, DE 19808
US |
Trademark Events
| Event Date | Event Description |
| Tuesday, February 3, 2026 | NEW APPLICATION ENTERED |
| Tuesday, February 3, 2026 | APPLICATION FILING RECEIPT MAILED |
| Friday, May 29, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Monday, June 1, 2026 | ASSIGNED TO EXAMINER |
| Tuesday, June 2, 2026 | NON-FINAL ACTION WRITTEN |
| Tuesday, June 2, 2026 | NON-FINAL ACTION E-MAILED |
| Tuesday, June 2, 2026 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
