James Sullivan is an English

English people

The English are a nation and ethnic group native to England, who speak English. The English identity is of early mediaeval origin, when they were known in Old English as the Anglecynn. England is now a country of the United Kingdom, and the majority of English people in England are British Citizens...

 television screenwriter. He is a son of John Sullivan

John Sullivan (writer)

John Richard Thomas Sullivan OBE was an English television scriptwriter responsible for several popular British sitcoms, including Only Fools and Horses, Citizen Smith and Just Good Friends....

 writer of a number of British sitcoms

British sitcom

A British sitcom tends, as it does in most other countries, to be based on a family, workplace or other institution, where the same group of contrasting characters is brought together in each episode. Unlike American sitcoms, where twenty or more episodes in a season is the norm, British sitcoms...

, but most notably Only Fools and Horses

Only Fools and Horses

Only Fools and Horses is a British sitcom, created and written by John Sullivan. Seven series were originally broadcast on BBC One in the United Kingdom between 1981 and 1991, with sporadic Christmas specials until 2003...

, it's spin-off The Green Green Grass

The Green Green Grass

The Green Green Grass is a British sitcom, created and initially written by John Sullivan, produced by Shazam Productions for the BBC. It is a spin-off of the long running sitcom Only Fools and Horses and stars John Challis, Sue Holderness and Jack Doolan...

and prequel Rock & Chips.

Career

Sullivan had wrote a total of 7 episodes for his late father's Only Fools and Horses spin-off, The Green Green Grass and is expected to 'take the reins' of both the same show and his late father's Only Fools prequal Rock & Chips after his father died in April 2011. However, this is purely speculation, and nobody at the BBC or any representatives of Jim Sullivan have mentioned such an idea. There is also speculation that he will polish a script written by his father for an Only Fools and Horses

Only Fools and Horses

Only Fools and Horses is a British sitcom, created and written by John Sullivan. Seven series were originally broadcast on BBC One in the United Kingdom between 1981 and 1991, with sporadic Christmas specials until 2003...

 Special. This has been denied by the BBC

BBC

The British Broadcasting Corporation is a British public service broadcaster. Its headquarters is at Broadcasting House in the City of Westminster, London. It is the largest broadcaster in the world, with about 23,000 staff...

who stated that the special had been cancelled when Sullivan died.

Sullivan has written his own sitcom which is currently under consideration with independent producers. The title of the show has yet to be revealed.