Contract dispute

[person1957]

What is the name of your state (only U.S. law)? Colorado

I was contracted to write some software and to have it completed by a specific date. I was not able to complete it by that date and my client imposed a large penalty. I never agreed to any penalties if I was late. Now my client has decided to not pay me, yet they are using my software. What are my options?

 

[VeronicaLodge]

what does your contract say?

 

[person1957]

Nothing. There was no formal contract. We just had an agreement that I would write the software. And my quote was simply an estimate.