Attorney Thayer Weaver Jr. Probation Terminated

MO Courts Attorney Discipline

Filed April 3rd, 2026

Detected April 6th, 2026

Summary

The Supreme Court of Missouri issued an order terminating attorney Thayer Lance Weaver Jr.'s probation following successful completion. The probation was originally ordered on March 7, 2023. Costs of the proceeding were taxed to the petitioner. This order confirms Weaver (MBE Number 48128) has satisfied all conditions of the probationary period.

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What changed

The Missouri Supreme Court granted attorney Thayer Lance Weaver Jr.'s motion for successful completion of probation, terminating the probationary period that began with the Court's order of March 7, 2023. Case number SC99805. No new obligations or restrictions were imposed; this is a routine administrative closure of a disciplinary matter.

No action is required by regulated entities. Law firms and employers who may have been monitoring Weaver's probation status should note that the disciplinary matter is now resolved and his probationary period has formally ended. The underlying conduct that led to probation remains part of the disciplinary record.

Source document (simplified)

Supreme Court of Missouri
en banc

03 April 2026 Supreme Court of Missouri Case # SC99805 In re: Thayer Lance Weaver Jr., MBE Number 48128 ORDER Respondent having filed a motion for order of successful completion of probation and in consideration of the response of the Chief Disciplinary Counsel to said motion, it is hereby ordered that Respondent has successfully completed the probationary period set forth in the Court’s order dated March 7, 2023, and Petitioner’s probation is ordered terminated.
Cost taxed to Petitioner. Day - to – Day

W. Brent Powell Chief Justice Note: To view any specific rule provisions cited in this order, please visit the pages for Supreme Court of Missouri Rule 4 and Rule 5. Please be aware the versions of the rules available online are those currently in effect and may have changed since this order issued.