The recent explosion in demand for alternative fee arrangements in intellectual property cases has brought to the fore issues that had previously been unimportant. How does the lawyer square his obligations under both state and PTO rules of professional conduct with the economic realities of an alternative fee? Christopher May and Christina Ondrick of McDermott Will & Emery LLP examine some of the ethical problems and issues that can arise when attorneys agree to take an intellectual property case using contingency fee agreements, blended agreements, partial ownership of the patent, and others.