| Serial Number | 99340360 |
| Word Mark | VIRTUAL TWIN |
| Filing Date | Friday, August 15, 2025 |
| Status | 661 - RESPONSE AFTER NON-FINAL ACTION - ENTERED |
| Status Date | Wednesday, March 25, 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 |
| Goods and Services | Software as a service (SAAS) featuring software for creating and analyzing virtual patient models for use in drug discovery, development, and precision medicine; platform as a service (PAAS) featuring computer software platforms for physiologically based pharmacokinetic (PBPK) modeling, quantitative systems pharmacology (QSP) modeling, and simulating patient-specific drug exposure, safety, and efficacy; scientific and technological consulting services in the fields of computational modeling, biosimulation, and model-informed drug development. |
| International Class | 042 - 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 Codes | 100, 101 |
| Class Status Code | 6 - Active |
| Class Status Date | Friday, August 15, 2025 |
| Primary Code | 042 |
| First Use Anywhere Date | Wednesday, January 31, 2018 |
| First Use In Commerce Date | Wednesday, January 31, 2018 |
| Party Name | Certara USA, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Radnor, PA 19087 US |
| Event Date | Event Description |
| Friday, August 15, 2025 | NEW APPLICATION ENTERED |
| Friday, August 15, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Friday, August 15, 2025 | APPLICATION FILING RECEIPT MAILED |
| Tuesday, September 23, 2025 | ASSIGNED TO EXAMINER |
| Wednesday, September 24, 2025 | NON-FINAL ACTION WRITTEN |
| Wednesday, September 24, 2025 | NON-FINAL ACTION E-MAILED |
| Wednesday, September 24, 2025 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Thursday, December 18, 2025 | APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED |
| Thursday, December 18, 2025 | APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED |
| Tuesday, March 24, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Tuesday, March 24, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Wednesday, March 25, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |