There are two ways to copy data from QR Codes read (or created) in your app:
Copying from the Barcode Details screen
Open the Barcode Details screen. (See 5.3 QR Code properties and attributes)
To copy data, in the Properties section, under Data, click the 
“Copy” icon.
The copy icon is also available from within the Data screen, which is displayed by clicking “Data” in the “Properties” section.
Copying from the context menu
On the History view, open the action menu for the QR Code you want to copy data with. (See the 5.2 Context menu)
To copy data, on the context menu, click Copy Data (Copy link). Click to copy the data to the Clipboard.