Reviewed by: Software Rights: How Patent Law Transformed Software Development in America by Gerardo Con Diaz Dan L. Burk (bio) Software Rights: How Patent Law Transformed Software Development in America By Gerardo Con Diaz. New Haven: Yale University Press, 2019. Pp. 384. In Software Rights, author Gerardo Con Diaz sets out to trace the legal and business history of software in the United States over a period of fifty-five years, from the mid to late twentieth century. Although the primary focus of the work is on software patents, it is also necessarily a history of copyright, the complementary and alternative mode of intellectual property protection for software. Con Diaz draws on a wealth of industry and legal archives to survey a multitude of legal and business decisions that shaped the nature and character of the software industry. To manage this cast of thousands, Con Diaz focuses on individual vignettes, flitting between quick sketches of actors and events. The result is that the reader traverses a narrative landscape that is surprisingly flat: bit players and starring actors receive similar treatment; major and minor events are described in equal detail. The reader who is already familiar with the history of software patenting may be surprised at the relatively cursory treatment of administrative or judicial decisions of great moment—but will be equally surprised at the lengthy discussion of other decisions, some of which the reader has never before heard of, that in hindsight have proved to be entirely unimportant and forgettable. Throughout, the focus of the volume remains squarely on the historical record of the software industry, with little time for background explanation. For example, the American patent statute extends exclusive rights to qualifying processes, machines, articles of manufacture, and compositions of matter. Much of the controversy over software patenting that Con Diaz surveys revolves around which of these categories might fit computer programs: Are they processes? Or are they machines? Could they be articles of manufacture? Con Diaz documents the long struggle to draft patent claims around the statutory subject matter categories—but without ever explicitly examining the statute on which the controversy is based. The astute reader will likely pick up on this from context, albeit with some extra effort. Similarly, much of the action that Con Diaz follows centers on evolving strategies or attempts to procure patents for software. Patents are only obtained by a process of administrative review through the federal Patent Office. Con Diaz does not pause to explain the process of patent procurement, or "prosecution" as it is called in the vernacular of the patent bar. Neither does his historical survey explicitly delve into the organization of the U.S. Patent Office or its administrative procedures. Still, after numerous references and allusions, the astute reader cannot help but come away with a general sense of such procedures, constructed from the activity the book does describe. [End Page 617] However, assembling that overview of patent procedure is left to the reader; it is not set out in detail. The author's overview ends rather abruptly in 2000 with the publication of the U.S. Court of Appeals for the Federal Circuit's patent eligibility opinion in State Street Bank, which the author notes is the last major software case of the twentieth century. To the reader familiar with the field, this sudden halt is rather jarring. The year 2000 is a nice round number, the edge of a new millennium, and a perennial eschatological favorite. And of course, the book must end somewhere. But State Street Bank is perhaps the most disruptive and controversial patent case ever decided, leading to a decade of fierce contention over the scope of patents generally and over software patents in particular. The debates generated by State Street led directly to the dramatic intervention of the U.S. Supreme Court to reshape software patent eligibility and to the intercession of the U.S. Congress to radically revise the American patent system. All of this makes the year 2000 cutoff something of a software cliffhanger. Some of the later developments are mentioned in a brief coda in which the author summarizes his findings and issues a very sensible call for further research...
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