Cambria Company v. OHM International: ITC Stay Granted in Processed Slab Patent Dispute

Case Overview

The Parties

Patents at Issue

This case involves three utility patents covering processed slab technology and manufacturing methods:

• • U.S. Patent No. 10,195,762 B2 — covering processed slab compositions and related technology
• • U.S. Patent No. 10,252,440 B2 — covering additional processed slab configurations or methods
• • U.S. Patent No. 12,370,718 B2 — a more recently issued patent extending protection across processed slab manufacturing methods

The Verdict & Legal Analysis

Outcome

The Court granted OHM International’s **Unopposed Motion for Stay of Proceedings Pursuant to 28 U.S.C. § 1659**. All district court proceedings are stayed until ITC Investigation No. 337-TA-1482 reaches a final determination. No damages were awarded and no injunctive relief was issued at this stage.

Verdict Cause Analysis: Understanding the § 1659 Mandatory Stay

28 U.S.C. § 1659 mandates that a district court **must** stay proceedings upon a respondent’s motion when the same issues of patent validity or infringement are before the ITC in a § 337 investigation. Key elements include:

• The motion must be filed **within 30 days** of the respondent being named in the ITC investigation
• The stay applies to issues of **patent validity and infringement** that overlap with the ITC proceeding
• The stay remains in effect until the ITC’s determination becomes **final** — including any Federal Circuit appeals

Critically, OHM International’s motion was **unopposed** by Cambria. This procedural posture suggests coordinated litigation strategy: Cambria may have recognized the inevitability of the mandatory stay and elected not to expend resources opposing it, preserving its focus on the ITC forum where exclusionary remedies — specifically, an **exclusion order** barring importation of infringing slabs — may provide more immediate commercial relief.

Legal Significance

The § 1659 stay mechanism is not discretionary. Courts have consistently held that when the statutory prerequisites are met, granting the stay is mandatory regardless of efficiency concerns or potential prejudice. See Enercon GmbH v. Int’l Trade Comm’n, 151 F.3d 1376 (Fed. Cir. 1998). This case reinforces that pattern in the District of New Jersey.

Importantly, the ITC’s determination on validity and infringement will carry significant **issue preclusion implications** for the resumed district court action. If the ITC finds the asserted patents valid and infringed, Cambria will enter the district court phase with substantial litigation momentum — and the potential for monetary damages unavailable from the ITC alone.

Strategic Takeaways

For Patent Holders (Cambria’s Playbook):
Dual-track ITC/district court enforcement is particularly effective for patent holders facing importation of competing products. The ITC’s accelerated 12–18 month investigation timeline and exclusionary remedy toolkit make it a powerful first-mover forum, while the district court action preserves rights to monetary damages.

For Accused Infringers:
The § 1659 stay motion — filed promptly and unopposed here — is a critical early defensive tool. Companies facing simultaneous ITC and district court proceedings should immediately assess § 1659 eligibility upon receiving ITC complaint service, engage specialized ITC counsel, and evaluate design-around options during the stay period.

For R&D Teams:
The existence of three overlapping patents (including a recently issued 2024 patent, No. 12,370,718 B2) signals an actively maintained and expanding IP portfolio. Engineering teams developing competing slab products should conduct rigorous **Freedom to Operate (FTO) analyses** covering all three patent families before commercializing new designs.