| Serial Number | 99363872 |
| Word Mark | CHEMOSAT |
| Filing Date | Thursday, August 28, 2025 |
| Status | 681 - PUBLICATION/ISSUE REVIEW COMPLETE |
| Status Date | Tuesday, April 14, 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 | Tuesday, May 5, 2026 |
| Goods and Services | Drug delivery systems, namely, a double balloon catheter system comprised primarily of catheters and filters; double balloon catheter system comprised primarily of catheters |
| Goods and Services | Pharmaceutical products for the treatment of cancer; drug delivery systems, namely, drug delivery agents consisting of compounds that facilitate delivery of a range of pharmaceuticals; pharmaceutical preparations, namely, drug delivery systems comprising melphalan hydrochloride for injection for administering high dose chemotherapy to the liver |
| Pseudo Mark | CHEMO SAT |
| International Class | 005 - Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes; dietetic substances adapted for medical use, food for babies; plasters, materials for dressings; material for stopping teeth, dental wax; disinfectants; preparations for destroying vermin; fungicides, herbicides. |
| US Class Codes | 005, 006, 018, 044, 046, 051, 052 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, August 28, 2025 |
| Primary Code | 005 |
| First Use Anywhere Date | Wednesday, January 18, 2012 |
| First Use In Commerce Date | Wednesday, January 18, 2012 |
| International Class | 010 - Surgical, medical, dental, and veterinary apparatus and instruments, artificial limbs, eyes, and teeth; orthopedic articles; suture materials. |
| US Class Codes | 026, 039, 044 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, August 28, 2025 |
| Primary Code | 010 |
| First Use Anywhere Date | Wednesday, January 18, 2012 |
| First Use In Commerce Date | Wednesday, January 18, 2012 |
| Party Name | Delcath Systems, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | QUEENSBURY, NY 12804 US |
| Event Date | Event Description |
| Thursday, August 28, 2025 | NEW APPLICATION ENTERED |
| Thursday, August 28, 2025 | APPLICATION FILING RECEIPT MAILED |
| Sunday, January 18, 2026 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Tuesday, January 20, 2026 | ASSIGNED TO EXAMINER |
| Thursday, January 29, 2026 | NON-FINAL ACTION WRITTEN |
| Thursday, January 29, 2026 | NON-FINAL ACTION E-MAILED |
| Thursday, January 29, 2026 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Sunday, April 5, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Sunday, April 5, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Sunday, April 5, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Monday, April 6, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |