Doggyphone LLC v. Tomofun LLC
2:19-cv-01901
W.D. Wash.Feb 12, 2021Background
- Doggyphone LLC sued Tomofun LLC for infringement of U.S. Patent No. 9,723,813, asserting Claim 7 against Tomofun's Furbo Dog Camera products.
- Tomofun filed an IPR petition (IPR2021-00260) on Nov. 25, 2020, challenging claims 7–9; PTAB institution was expected by June 2021 and, if instituted, a final written decision by June 2022.
- The parties filed a stipulated motion to stay the district-court case pending final disposition of the IPR; both parties requested expedited ruling to avoid imminent claim-construction work (opening briefs due Feb. 15, 2021; Markman hearing mid‑April 2021).
- The case was at an early stage: limited discovery, claim-construction briefing had not begun, no trial date, and substantial pretrial work remained.
- Doggyphone is a non-practicing entity and stipulated to the requested stay; the court (Judge Rothstein) granted the stipulated stay on Feb. 12, 2021, staying all deadlines and requiring the parties to update the court within two weeks of any PTAB institution decision.
Issues
| Issue | Plaintiff's Argument | Defendant's Argument | Held |
|---|---|---|---|
| Whether IPR will simplify issues before the court | IPR challenges the exact asserted claim; PTAB could cancel the sole claim or provide expert invalidity analysis and claim interpretation | IPR likely to be instituted and will narrow or eliminate issues, avoiding needless court resources | Court: factor favors a stay (overlap of issues; PTAB expertise useful) |
| Whether the case stage supports a stay | Case is at an early stage: limited discovery, no claim construction, no trial date; staying avoids imminent costly work | Agrees; staying preserves resources and avoids duplicated efforts | Court: factor favors a stay (very early stage) |
| Whether a stay would unduly prejudice or create tactical disadvantage | Doggyphone is an NPE and stipulates to the stay, so no loss of market share or goodwill; damages remain available | Agrees; no undue prejudice shown and both parties stipulated | Court: factor favors a stay (no undue prejudice or tactical disadvantage) |
| Overall appropriateness of a stay pending IPR | Parties jointly request an all‑issues stay pending final PTAB disposition | Parties jointly request the stay; asked for expedited ruling to avoid claim‑construction work | Court granted stipulated stay, stayed all deadlines, and ordered parties to update within two weeks of any PTAB institution decision |
Key Cases Cited
- Ethicon, Inc. v. Quigg, 849 F.2d 1422 (Fed. Cir. 1988) (district court authority to stay pending PTO proceedings)
- Pac. Bioscience Labs., Inc. v. Pretika Corp., 760 F. Supp. 2d 1061 (W.D. Wash. 2011) (three‑factor framework for stays pending PTO review)
- CANVS Corp. v. United States, 118 Fed. Cl. 587 (2014) (granting stays is within court discretion)
- In re Etter, 756 F.2d 852 (Fed. Cir. 1985) (PTAB consideration of prior art relieves courts from initial prior‑art factfinding)