DocuSign Patents

Patent portfolio assigned to DocuSign (verified via public assignee records). DocuSign, Inc. (US, public). e-signature/digital-agreements leader. Competitors from PandaDoc comparison pages. Multiple US patents assigned to 'DocuSign, Inc.' confirmed on Google Patents (e.g. US8949706B2, US6289460B1, US12118299B2); exact portfolio count not cleanly retrievable (Justia 403 / Google assignee page 503). Salesforce listed as deep integration partner; broader paying-customer names not anchored to a fetched DocuSign case-study page this task.