What are the size limitations for a computer program listing appendix?

The size limitations for a computer program listing appendix depend on the submission method:

• For electronic submissions via EFS-Web or Patent Center: The file size must not exceed 25 MB.
• For compact disc submissions: There is no specific size limitation, but multiple discs may be used if necessary.

According to MPEP 608.05(a): “Computer program listings may be submitted as ASCII text files via EFS-Web or on compact disc, provided the size of the file does not exceed 25 megabytes.” For larger files, the MPEP advises: “If the file size of the computer program listing appendix exceeds 25 megabytes, the applicant must submit the program listing appendix on compact disc.”

To learn more:

• computer program listing
• file size limitations
• electronic submission
• compact disc submission