Patent 9421713B2

Litigation summary

Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.

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No PTAB proceedings on file. This patent has not been challenged through Inter Partes Review, Post-Grant Review, or Covered Business Method review at the USPTO. The absence is itself a signal — well-asserted patents eventually attract IPRs.

Cases on file (2)

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Specific litigation cases in our database that name US patent 9421713B2. The free-form analysis below may also discuss cases beyond this list.

Litigation summary

Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.

✓ Generated

Known litigation involving US patent 9421713B2 includes:

  1. Patent Trial and Appeal Board (PTAB) Case

    • Plaintiff(s): BambuLab
    • Defendant(s): Stratasys (patent owner)
    • Jurisdiction: Patent Trial and Appeal Board (PTAB)
    • Case Number: IPR2025-00321
    • Filing Date: Not explicitly stated, but the decision date is June 9, 2026.
    • Outcome/Current Status: Instituted and ruled on June 9, 2026, that patent US9421713B2 is valid.

  2. US District Court Case (Texas Western District)

    • Plaintiff(s): Not explicitly named in snippets, but Stratasys is the current assignee of the patent.
    • Defendant(s): Not explicitly named in snippets.
    • Jurisdiction: Texas Western District Court
    • Case Number: 1:24-cv-01511
    • Filing Date: Not explicitly stated in snippets.
    • Outcome/Current Status: Case filed.

  3. US District Court Case (Texas Eastern District)

    • Plaintiff(s): Not explicitly named in snippets, but Stratasys is the current assignee of the patent.
    • Defendant(s): Not explicitly named in snippets.
    • Jurisdiction: Texas Eastern District Court
    • Case Number: 2:25-cv-00465
    • Filing Date: Not explicitly stated in snippets.
    • Outcome/Current Status: Case filed.

  4. US District Court Case (Texas Eastern District)

    • Plaintiff(s): Not explicitly named in snippets, but Stratasys is the current assignee of the patent.
    • Defendant(s): Not explicitly named in snippets.
    • Jurisdiction: Texas Eastern District Court
    • Case Number: 2:24-cv-00644
    • Filing Date: Not explicitly stated in snippets.
    • Outcome/Current Status: Case filed.

The Reddit discussion also mentions "Stratasys claims patent on purge towers, now suing Bambu + others". While this reiterates the BambuLab case, it doesn't provide specific details for "others" in terms of case numbers or jurisdictions beyond what's already listed from Google Patents. Therefore, I cannot provide more detailed information for additional defendants without further specific case identifiers.

Generated 6/15/2026, 12:45:39 PM