Cases from cite.case.law:

ELLERS, OAKLEY, CHESTER RIKE, INC. v. ST. LOUIS AIR CARGO SERVICES, INC. K. C. a a, 984 F.2d 1108 (10th Cir. 1993)

. . . . § 327.461. Reviewing the district court’s decision de novo, see Applied Genetics Int’l, Inc. v. . . . In affirming that decision in light of Mo.Rev.Stat. § 327.461, see Haith & Co., 778 S.W.2d at 421, the . . . Rev.Stat. § 327.461 barred Ellers, Oakley’s recovery. . . . Mo.Rev.Stat. § 327.461. . . . Section 327.461 precludes Ellers, Oakley from enforcing these contracts. . . .

KANSAS CITY COMMUNITY CENTER, v. HERITAGE INDUSTRIES, INC., 972 F.2d 185 (8th Cir. 1992)

. . . . § 327.461 (Vernon 1989). . . . Mo.Ann.Stat. § 327.461 (Vernon 1989) (emphasis added). . . . We believe section 327.461 clearly makes the unlicensed architect or engineer the offender, because only . . .

In BRANSON MALL, INC. CHARLES C. III, ARCHITECT, LTD. v. OZARK MOUNTAIN COUNTRY MALL, INC. L. J. O, 970 F.2d 456 (8th Cir. 1992)

. . . Section 327.461 renders contracts to perform architectural services entered into by unregistered corporations . . . In Haith, an unregistered engineering corporation was precluded under section 327.461 from enforcing . . . The bankruptcy court held that the contracts were unenforceable under section 327.461. . . . , R.S.Mo.; Haith & Co., 778 S.W.2d at 421 (“The import of § 327.461 is mandatory unenforceability of . . . Section 327.461 applies to engineering corporations as well as architectural corporations. . . . .

In BRANSON MALL, INC. CHARLES C. III, ARCHITECT, LTD. v. OZARK MOUNTAIN COUNTRY MALL, INC. L. J. O, 970 F.2d 456 (8th Cir. 1992)

. . . Section 327.461 renders contracts to perform architectural services entered into by unregistered corporations . . . In Haith, an unregistered engineering corporation was precluded under section 327.461 from enforcing . . . The bankruptcy court held that the contracts were unenforceable under section 327.461. . . . , R.S.Mo.; Haith & Co., 778 S.W.2d at 421 (“The import of § 327.461 is mandatory unenforceability of . . . Section 327.461 applies to engineering corporations as well as architectural corporations. . . . .

KANSAS CITY COMMUNITY CENTER, v. HERITAGE INDUSTRIES, INC., 773 F. Supp. 181 (W.D. Mo. 1991)

. . . . § 327.461 (1986). . . . Section 327.461 states that “[ejvery contract for architectural or engineering or land surveying services . . . Therefore, contends defendant, while the application of section 327.461 in Branson Mall, Haith, and Park . . .

In BRANSON MALL, INC. C. III, v. OZARK MOUNTAIN COUNTRY MALL, INC., 120 B.R. 1006 (Bankr. W.D. Mo. 1990)

. . . . § 327.461. . . . Rev.Stat. §§ 429.015.1 and 327.461; Maran-Cooke, Inc. v. . . . However, plaintiff’s characterization is not consistent when considered in light of § 327.461 and Haith . . . Section § 327.461 does not make an exception for one who registers before the documents are sealed. . . . The Court of Appeals in Haith, 778 S.W.2d at 421, stated: “[Section] 327.461 is preclusive and does not . . .

ELLERS, OAKLEY, CHESTER RIKE, INC. v. HAITH COMPANY, INC. ELLERS, OAKLEY, CHESTER RIKE, INC. v. ST. LOUIS AIR CARGO SERVICES, INC., 728 F. Supp. 646 (D. Kan. 1989)

. . . . § 327.461. . . .