42,577 research outputs found

    The International Trade Commission: Potential Bias, Hold-Up, and the Need for Reform

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    The International Trade Commission (ITC) is an alternate venue for holders of U.S. patents to pursue litigation against infringing products produced abroad and imported to the United States. Because the ITC may only grant injunctive relief, it has awarded injunctions in situations where there may have been better and more efficient remedies to the infringement available through litigation in federal district court. The increased likelihood of injunctive relief bolsters the position of patent holders against a wide range of producers in royalty negotiations and can harm the end consumers through a process known as patent hold-up. There are currently sweeping and aggressive proposed reforms to reduce this harm to consumers. This iBrief suggests that the optimal reforms would not change the overall structure or scope of the ITC or its jurisdiction. Rather it would harmonize the substantive law, available defenses for respondents, and requirements for injunctive relief between ITC proceedings and litigation in federal district court

    Featured Herbarium: BUT—The Friesner Herbarium of Butler University

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    Feature written by Rebecca Dolan on the BUT—The Friesner Herbarium of Butler University in the Vasculum

    The intrinsic curvature of thermodynamic potentials for black holes with critical points

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    The geometry of thermodynamic state space is studied for asymptotically anti-de Sitter black holes in D-dimensional space times. Convexity of thermodynamic potentials and the analytic structure of the response functions is analysed. The thermodynamic potentials can be used to define a metric on the space of thermodynamic variables and two commonly used such metrics are the Weinhold metric, derived from the internal energy, and the Ruppeiner metric, derived from the entropy. The intrinsic curvature of these metrics is calculated for charged and for rotating black holes and it is shown that the curvature diverges when heat capacities diverge but, contrary to general expectations, the singularities in the Ricci scalars do not reflect the critical behaviour. When a cosmological constant is included as a state space variable it can be interpreted as a pressure and the thermodynamically conjugate variable as a thermodynamic volume. The geometry of the resulting extended thermodynamic state space is also studied, in the context of rotating black holes, and there are curvature singularities when the heat capacity at constant angular velocity diverges and when the black hole is incompressible. Again the critical behaviour is not visible in the singularities of the thermodynamic Ricci scalar.Comment: 35 pages, 3 figure
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