How can abandoned applications be accessed for prior art searches?

Abandoned applications can be accessed for prior art searches through various means. The MPEP 901.02 states:

“Abandoned applications are available on microfilm in the Patent Search Room.”

Additionally, many abandoned applications are now available electronically through the USPTO’s public databases. Patent examiners and the public can access these applications to conduct thorough prior art searches.

To learn more:

• abandoned applications
• prior art search
• patent databases