1864 | | PD Phillips established a practice in Melbourne. |
1884 | | Phillips Nicholson established in New Zealand. |
1885 | | Smithers Warren Davenport Mant established in Sydney. |
1888 | | Ross & McCarthy established in Adelaide. |
1920s | | Seymour Nulty established in Brisbane. |
1983 | | Lavan Solomon established in Perth. |
| 1985 | | Phillips Fox & Masel, (previously known as PD Phillips), Smithers Warren Davenport Mant and Lavan Solomon form an association and agree to practise as a federation under the name Phillips Fox. |
1990 | | Canberra office opens. |
1991 | | Seymour Nulty in Brisbane joins Phillips Fox. |
| 1992 | | Phillips Nicholson in New Zealand joins Phillips Fox, creating the first trans-Tasman law firm. Ross & McCarthy in Adelaide joins Phillips Fox. |
| 1993 | | Hanoi office opens and the firm is the first in the world to be granted a licence to practise in Vietnam. Darvall McCutcheon merges with Phillips Fox in Melbourne. Darvall McCutcheon was itself the result of a merger in 1982 of Darvall & Hambleton and W B & O McCutcheon which had their origins in 1864 and 1888 respectively. |
1997 | | Ho Chi Minh City office opens in Vietnam. |
| 1999 | | Phillips Fox moves from being a federated group of offices to a fully integrated, corporately managed legal firm. |
2006 | | Phillips Fox enters into an exclusive alliance with DLA Piper, one of the largest legal services organisations in the world, and becomes a member of the global DLA Piper Group under the name DLA Phillips Fox. |