trademarks were found for owners matching the name HALCYON DAYS LIMITED.| # | Class | status | |
|---|---|---|---|
| 1 |
S:86306361
M:HALCYON DAYS 
O:Halcyon Days Limited |
14, 16, 18, 21 | Registered |
| 2 |
S:79149952
M:CAROLYN SHEFFIELD O:HALCYON DAYS LIMITED |
16, 21 | Dead |
| 3 |
S:79058762
M:HALCYON DAYS ENAMELS ENGLAND 
O:HALCYON DAYS (LONDON) LIMITED, HALCYON DAYS LIMITED |
4, 14, 16, 21 | Dead |
| 4 |
S:78779149
M:HALCYON DAYS O:Halcyon Days (London) Limited, HALCYON DAYS LIMITED |
4, 14, 16, 18, 21, 34 | Registered |
| 5 |
S:78768402
M:HD LONDON 
O:Halcyon Days (London) Limited, HALCYON DAYS LIMITED |
14, 16, 21 | Dead |
