STRONGDOR Trademark
Trademark Overview
On Friday, April 11, 2025, a trademark application was filed for STRONGDOR with the United States Patent and Trademark Office. The USPTO has given the STRONGDOR trademark a serial number of 79427608. The federal status of this trademark filing is REGISTERED as of Tuesday, June 2, 2026. This trademark is owned by Strongdor Holdings Limited. The STRONGDOR trademark is filed in the Metal Products and Non-Metallic Building Material Products categories with the following description:
Doors of metal; fire doors of metal; glazed doors of metal; insulating doors of metal; doors of metal for noise control; safety doors of metal; security doors of metal; doors of metal for indoor use; doors of metal for external use; replacement and structural parts and fittings for all the aforesaid goods made of metal; components of metal for doors, namely, frames, surrounds, casings, jambs, latches, plates and panels, non-electric door springs made of metal, metal runners for sliding doors, glass door lites sold as components of metal doors; locks and bolts of metal for doors; metal door knockers; metal door knobs; metal door pulls; metal door fasteners; door nameplates of metal; rose plates of metal; kick plates of metal; fittings of metal for doors; handles of metal for doors; hinges of metal for doors
Doors, not of metal; fire doors, not of metal; glazed doors, not of metal; glass doors; transparent doors, not of metal; insulating doors, not of metal; doors, not of metal, for noise control; safety doors, not of metal; security doors, not of metal; doors, not of metal for indoor use; doors, not of metal for external use; replacement and structural parts for all the aforesaid goods of non-metal; components not of metal for doors, namely, frames, surrounds, casings, jambs, latches, plates and panels, non-metal door units, glass door lites
General Information
| Serial Number | 79427608 |
| Word Mark | STRONGDOR |
| Filing Date | Friday, April 11, 2025 |
| Status | 700 - REGISTERED |
| Status Date | Tuesday, June 2, 2026 |
| Registration Number | 8278985 |
| Registration Date | Tuesday, June 2, 2026 |
| Mark Drawing | 4 - Illustration: Drawing with word(s) / letter(s) / number(s) in Block form |
| Published for Opposition Date | Tuesday, April 14, 2026 |
Trademark Statements
| Goods and Services | Doors of metal; fire doors of metal; glazed doors of metal; insulating doors of metal; doors of metal for noise control; safety doors of metal; security doors of metal; doors of metal for indoor use; doors of metal for external use; replacement and structural parts and fittings for all the aforesaid goods made of metal; components of metal for doors, namely, frames, surrounds, casings, jambs, latches, plates and panels, non-electric door springs made of metal, metal runners for sliding doors, glass door lites sold as components of metal doors; locks and bolts of metal for doors; metal door knockers; metal door knobs; metal door pulls; metal door fasteners; door nameplates of metal; rose plates of metal; kick plates of metal; fittings of metal for doors; handles of metal for doors; hinges of metal for doors |
| Pseudo Mark | STRONG DOR; STRONG DOOR |
| Goods and Services | Doors, not of metal; fire doors, not of metal; glazed doors, not of metal; glass doors; transparent doors, not of metal; insulating doors, not of metal; doors, not of metal, for noise control; safety doors, not of metal; security doors, not of metal; doors, not of metal for indoor use; doors, not of metal for external use; replacement and structural parts for all the aforesaid goods of non-metal; components not of metal for doors, namely, frames, surrounds, casings, jambs, latches, plates and panels, non-metal door units, glass door lites |
Classification Information
| International Class | 006 - Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; nonelectric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores. |
| US Class Codes | 002, 012, 013, 014, 023, 025, 050 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, July 10, 2025 |
| Primary Code | 006 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
| International Class | 019 - Building materials (non-metallic); nonmetallic rigid pipes for building; asphalt, pitch and bitumen; nonmetallic transportable buildings; monuments, not of metal. |
| US Class Codes | 001, 012, 033, 050 |
| Class Status Code | 6 - Active |
| Class Status Date | Thursday, July 10, 2025 |
| Primary Code | 019 |
| First Use Anywhere Date | NOT AVAILABLE |
| First Use In Commerce Date | NOT AVAILABLE |
Trademark Owner History
| Party Name | Strongdor Holdings Limited |
| Party Type | 30 - Original Registrant |
| Legal Entity Type | 99 - Other |
| Address | GB |
| Party Name | Strongdor Holdings Limited |
| Party Type | 20 - Owner at Publication |
| Legal Entity Type | 99 - Other |
| Address | GB |
| Party Name | Strongdor Holdings Limited |
| Party Type | 10 - Original Applicant |
| Legal Entity Type | 99 - Other |
| Address | GB |
Trademark Events
| Event Date | Event Description |
| Thursday, July 10, 2025 | SN ASSIGNED FOR SECT 66A APPL FROM IB |
| Friday, July 11, 2025 | NEW APPLICATION OFFICE SUPPLIED DATA ENTERED |
| Friday, July 11, 2025 | APPLICATION FILING RECEIPT MAILED |
| Monday, September 8, 2025 | ASSIGNED TO EXAMINER |
| Tuesday, September 9, 2025 | NON-FINAL ACTION WRITTEN |
| Wednesday, September 10, 2025 | NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW |
| Monday, October 27, 2025 | REFUSAL PROCESSED BY MPU |
| Monday, October 27, 2025 | NON-FINAL ACTION MAILED - REFUSAL SENT TO IB |
| Saturday, November 15, 2025 | REFUSAL PROCESSED BY IB |
| Thursday, January 29, 2026 | TEAS RESPONSE TO OFFICE ACTION RECEIVED |
| Thursday, January 29, 2026 | CORRESPONDENCE RECEIVED IN LAW OFFICE |
| Thursday, January 29, 2026 | TEAS/EMAIL CORRESPONDENCE ENTERED |
| Friday, February 6, 2026 | NON-FINAL ACTION WRITTEN |
| Friday, February 6, 2026 | NON-FINAL ACTION E-MAILED |
| Friday, February 6, 2026 | NOTIFICATION OF NON-FINAL ACTION E-MAILED |
| Thursday, March 5, 2026 | REFUSAL PROCESSED BY IB |
| Tuesday, March 17, 2026 | EXAMINERS AMENDMENT -WRITTEN |
| Tuesday, March 17, 2026 | EXAMINERS AMENDMENT E-MAILED |
| Tuesday, March 17, 2026 | NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED |
| Tuesday, March 17, 2026 | EXAMINER'S AMENDMENT ENTERED |
| Tuesday, March 17, 2026 | APPROVED FOR PUB - PRINCIPAL REGISTER |
| Wednesday, March 25, 2026 | NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB |
| Wednesday, March 25, 2026 | NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB |
| Wednesday, April 8, 2026 | NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED |
| Thursday, April 9, 2026 | NOTIFICATION PROCESSED BY IB |
| Tuesday, April 14, 2026 | PUBLISHED FOR OPPOSITION |
| Tuesday, April 14, 2026 | OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED |
| Tuesday, June 2, 2026 | REGISTERED-PRINCIPAL REGISTER |
| Tuesday, June 2, 2026 | NOTICE OF REGISTRATION CONFIRMATION EMAILED |
