Correspondence between Michael Holmyard and solicitors concerning the possibilities of intellectual ownership of the CLEO programming language. Comprises:
- Letter from Mr Holmyard (Lyons Assistant Secretary) to Messrs A.A. Thornton & Co concerning [legally?]  registering 'CLEO' as an 'autocode', or programming language; 
- Two Lyons internal memos [pasted together] from Mr Holmyard (Lyons Assistant Secretary) to TR Thompson (LEO Computers) re: [legal?] registration of 'CLEO' as a programming language;
- Letter from M. Holmyard (Lyons Assistant Secretary) to Messrs Bartlett and Gluckstein (Solicitors, Piccadilly) re copyright in programmes written for clients by LEO Computers Ltd. [Although Michael Holmyard mentions enclosing a specimen programme as an example, the enclosure has not survived in the file];
- Letter from Bartlett & Gluckstein (Solicitors) in response to Mr Holmyard's letter of 21st Jan 1961 re: copyright in programmes, giving legal opinion on copyright as requested, 2nd Feb 1961.

Provenance :
Collected by Peter Bird as part of his research for his book LEO - The First Business Computer (1994).