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US Liable for Environmental Remediation Costs Under Contract Clauses

Client Alert | 1 min read | 11.04.11

On October 31, the Court of Federal Claims in Exxon Mobil Corp. v. U.S. held that the government was liable for environmental cleanup costs because it had breached the “Taxes” clause in three World War II-era contracts under which the government had agreed to pay “any new or additional . . . charges” required by federal, state, or local law “by reason of the production, manufacture, sale or delivery” of aviation gasoline.  Exxon continues the trend of recovery of environmental remediation costs under government contracts and is consistent with ongoing efforts to recover environmental remediation costs and toxic tort litigation defense costs under Public Law 85-804 indemnification provisions in Cold War-era contracts being conducted for clients by C&M.

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Client Alert | 6 min read | 11.26.25

From ‘Second’ to ‘First:’ Federal Circuit Tackles Obvious Claim Errors

Patent claims must be clear and definite, as they set the boundaries of the patentee’s rights. Occasionally, however, claim language contains errors, such as typographical mistakes or incorrect numbering. Courts possess very limited authority to correct such errors. The United States Court of Appeals for the Federal Circuit has emphasized that judicial correction is appropriate only in rare circumstances, where (1) the error is evident from the face of the patent, and (2) the proposed correction is the sole reasonable interpretation in view of the claim language, specification, and prosecution history. See Group One, Ltd. v. Hallmark Cards, Inc., 407 F.3d 1297, 1303 (Fed. Cir. 2005) and Novo Indus., L.P. v. Micro Molds Corp., 350 F.3d 1348, 1357 (Fed. Cir. 2003)....