| Serial Number | 86742486 |
| Word Mark | PTI |
| Filing Date | Monday, August 31, 2015 |
| Status | 710 - CANCELLED - SECTION 8 |
| Status Date | Friday, November 28, 2025 |
| Registration Number | 5751554 |
| Registration Date | Tuesday, May 14, 2019 |
| Mark Drawing | 3 - Illustration: Drawing or design which also includes word(s) / letter(s) / number(s) |
| Published for Opposition Date | Tuesday, February 2, 2016 |
| Description of Mark | The mark consists of an image of a lotus consisting of the colors purple, dark blue and light blue, with the letters "PTI" appearing in white within the lotus. |
| Goods and Services | Pharmaceutical preparations for the treatment of respiratory conditions, diseases, syndromes and disorders |
| Pseudo Mark | PTI PROTEOSTASIS THERAPEUTICS |
| Goods and Services | Chemicals for scientific research purposes for synthesizing small molecule compounds; proteostasis regulators, namely, chemical preparations for scientific research; chemical additives for use in the manufacture of pharmaceuticals; cells for scientific and medical research; reagents for use in genetic research |
| Indication of Colors claimed | The color(s) white, dark blue, light blue and purple is/are claimed as a feature of the mark. |
| International Class | 001 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins; unprocessed plastics; manures; fire extinguishing compositions; tempering and soldering preparations; chemical substances for preserving foodstuffs; tanning substances; adhesives used in industry. |
| US Class Codes | 001, 005, 006, 010, 026, 046 |
| Class Status Code | 2 - Sec. 8 - Entire Registration |
| Class Status Date | Friday, November 28, 2025 |
| Primary Code | 001 |
| First Use Anywhere Date | Monday, January 14, 2013 |
| First Use In Commerce Date | Monday, January 14, 2013 |
| 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 | 006, 018, 044, 046, 051, 052 |
| Class Status Code | 2 - Sec. 8 - Entire Registration |
| Class Status Date | Friday, November 28, 2025 |
| Primary Code | 005 |
| First Use Anywhere Date | Saturday, January 30, 2016 |
| First Use In Commerce Date | Saturday, January 30, 2016 |
| Party Name | Proteostasis Therapeutics, Inc. |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 03 - Corporation |
| Address | Boston, MA 02135 |
| Party Name | Proteostasis Therapeutics, Inc. |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 03 - Corporation |
| Address | Boston, MA 02135 |
| Party Name | Proteostasis Therapeutics, Inc. |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 03 - Corporation |
| Address | Cambridge, MA 02139 |
| Event Date | Event Description |
| Thursday, September 3, 2015 | NEW APPLICATION ENTERED |
| Thursday, September 3, 2015 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Friday, September 4, 2015 | NOTICE OF DESIGN SEARCH CODE E-MAILED |
| Monday, December 14, 2015 | ASSIGNED TO EXAMINER |
| Saturday, December 19, 2015 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, January 13, 2016 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Tuesday, February 2, 2016 | PUBLISHED FOR OPPOSITION |
| Tuesday, February 2, 2016 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Tuesday, March 29, 2016 | NOA E-MAILED - SOU REQUIRED FROM APPLICANT |
| Tuesday, July 19, 2016 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Thursday, September 29, 2016 | SOU TEAS EXTENSION RECEIVED |
| Thursday, September 29, 2016 | SOU EXTENSION 1 FILED |
| Thursday, September 29, 2016 | SOU EXTENSION 1 GRANTED |
| Saturday, October 1, 2016 | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED |
| Monday, March 27, 2017 | SOU TEAS EXTENSION RECEIVED |
| Monday, March 27, 2017 | SOU EXTENSION 2 FILED |
| Monday, March 27, 2017 | SOU EXTENSION 2 GRANTED |
| Wednesday, March 29, 2017 | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED |
| Friday, September 8, 2017 | SOU TEAS EXTENSION RECEIVED |
| Friday, September 8, 2017 | SOU EXTENSION 3 FILED |
| Friday, September 8, 2017 | SOU EXTENSION 3 GRANTED |
| Tuesday, September 12, 2017 | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED |
| Monday, February 12, 2018 | SOU TEAS EXTENSION RECEIVED |
| Monday, February 12, 2018 | SOU EXTENSION 4 FILED |
| Monday, February 12, 2018 | SOU EXTENSION 4 GRANTED |
| Wednesday, February 14, 2018 | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED |
| Wednesday, September 5, 2018 | SOU TEAS EXTENSION RECEIVED |
| Thursday, September 13, 2018 | CASE ASSIGNED TO INTENT TO USE PARALEGAL |
| Wednesday, September 5, 2018 | SOU EXTENSION 5 FILED |
| Thursday, September 13, 2018 | SOU EXTENSION 5 GRANTED |
| Friday, September 14, 2018 | NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED |
| Thursday, March 28, 2019 | TEAS STATEMENT OF USE RECEIVED |
| Thursday, March 28, 2019 | TEAS CHANGE OF CORRESPONDENCE RECEIVED |
| Thursday, March 28, 2019 | USE AMENDMENT FILED |
| Friday, April 5, 2019 | STATEMENT OF USE PROCESSING COMPLETE |
| Friday, April 5, 2019 | ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED |
| Saturday, April 6, 2019 | NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED |
| Tuesday, May 14, 2019 | REGISTERED-PRINCIPAL REGISTER |
| Friday, August 23, 2019 | TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED |
| Friday, August 23, 2019 | ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED |
| Tuesday, May 14, 2024 | COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED |
| Friday, November 28, 2025 | CANCELLED SEC. 8 (6-YR) |