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Bunge Corp. v. Northern Trust Co.

Citations: 623 N.E.2d 785; 252 Ill. App. 3d 485; 191 Ill. Dec. 195Docket: 4-93-0144

Court: Appellate Court of Illinois; October 22, 1993; Illinois; State Appellate Court

Narrative Opinion Summary

This case involves Bunge Corporation's entitlement to a purchase price adjustment under a stock purchase agreement following its acquisition of Lauhoff Grain Company. Bunge argued that Lauhoff breached warranty (l) by using Ralston Purina Company's patent without permission, leading to a patent infringement claim. Despite Northern Trust's assertion that no adjustment was warranted post-payment, the court upheld Bunge's claim, interpreting warranty (l) as a non-infringement warranty. The court also found that the distinction between an unenforceable and invalid patent did not negate the breach of warranty. Bunge's settlement with Ralston was deemed made in good faith, as Bunge reasonably anticipated liability due to prior patent enforcement actions. The trial court's decision was in favor of Bunge, granting them a purchase price adjustment of $587,916.40, and the appellate court affirmed this decision. Northern Trust's appeal was dismissed, asserting that their arguments did not prove Bunge ineligible for the adjustment. The case underscores the importance of clarity in contractual warranties and the enforceability of patent rights in commercial agreements.

Legal Issues Addressed

Contractual Remedies for Breach of Warranty

Application: The court ruled that Bunge was entitled to a purchase price adjustment despite Northern Trust's argument that no refund was warranted post-closing.

Reasoning: Bunge refutes the distinction between 'refund' and 'adjustment,' arguing that 'adjustment' is broader and includes post-payment modifications.

Enforceability vs. Validity of Patents

Application: Despite Ralston’s patent being unenforceable due to fraud, the court found a breach of warranty as Lauhoff used the patent without permission.

Reasoning: The distinction between unenforceable and invalid is crucial, as an unenforceable patent can still exist but cannot be infringed.

Good Faith in Settlement Agreements

Application: The court affirmed the good faith of Bunge's settlement with Ralston despite Northern Trust's objections, as Bunge had reasonable anticipation of liability.

Reasoning: Bunge's settlement can be reasonably viewed as made in anticipation of liability, given Ralston's prior success against Far-Mar-Co for patent infringement.

Interpretation of Warranty in Contract

Application: The court interpreted warranty (l) as a non-infringement warranty, supporting Bunge’s claim for a purchase price adjustment due to Lauhoff’s use of Ralston’s patent without permission.

Reasoning: The trial court interpreted the first sentence as a non-infringement warranty, while the second was viewed as an ownership warranty to prevent royalties post-acquisition.

Purchase Price Adjustment under Stock Purchase Agreement

Application: The court upheld the adjustment of the purchase price due to breach of warranty by Lauhoff in the stock purchase agreement.

Reasoning: The district court determined Lauhoff's lack of ownership or licensing for the patent constituted a breach of warranty under the stock purchase agreement, granting summary judgment in favor of Bunge.