This presentation on Recent Trends and Developments in Pooling and Unitization takes up five topics for discussion. 1) Options for Non-Operators under Pooling and Unitization Orders; 2) Pooling Clause Issues; 3) Surface Estate Use and Unit Operations; 4) Pugh Clause Issues; and 5) Judicial Review for Agency Actions. The presentation covers case developments in the leading producing states for the past four years.