Write the conversation response. 
- What is the difference between a printing patent and a copyright?.
- Printing patent The printing patent or printing privilege was a precursor of modern copyright..
- What did it protect?.
- It was an exclusive right to print a work or a class of works..
- When was it created?.
- The earliest recorded printing privilege dates from 1469, giving John of Speyer a five-year monopoly on all printing in Venice..
- Are there any other interesting aspects about this article?.
- In 1495, the city-state granted another monopoly on all Greek works to Aldus as a reward for his investments in a Greek font for his press..
- Was it used in any other countries?.
- 
In France, the royal "Code de la librairie" of 1723 codified existing practice.