Patent Law: A Primer and Overview of Emerging Issues (CRS Report for Congress)
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Release Date |
Revised Sept. 21, 2017 |
Report Number |
R44962 |
Report Type |
Report |
Authors |
Lewis, Caitlain Devereaux;Armstrong, Kathryn B. |
Source Agency |
Congressional Research Service |
Older Revisions |
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Summary:
In an increase over prior terms, the Supreme Court of the United States issued six opinions
involving patent law during its October 2016 Term. These decisions addressed issues ranging
from patent exhaustion, multicomponent products, and biosimilar patents to procedural issues like
venue and the statute of limitations for infringement claims. The growing number of Supreme
Court opinions involving patent law over the past decade may also speak to the rising importance
of intellectual property more broadly; a reported 84% of the S&P 500 Market Value in 2015 is
ascribed to intangible assets. With this increased attention on patent law, an understanding of
patent law and the cases issued during the High Court’s recently concluded term will likely be of
interest to Congress.
The patent law regime in the United States is grounded in the U.S. Constitution itself; article I,
section 8, clause 8 of the Constitution provides: “The Congress Shall Have Power ... To promote
the Progress of Science and useful Arts, by securing for limited Times to ... Inventors the
exclusive Right to their respective ... Discoveries.” Nonetheless, the rights associated with patents
do not arise automatically. Rather, to obtain patent protection, the Patent Act of 1952 requires
inventors to apply with the U.S. Patent and Trademark Office (PTO).
A patent may be obtained by “[w]hoever invents or discovers any new and useful process,
machine, manufacture, or composition of matter,” subject to the requirements of the Patent Act. A
valid patent bestows upon its holder the right to take action against anyone who “makes, uses,
offers to sell, or sells any patented invention, within the United States or imports into the United
States any patented invention during the term of the patent,” unless authority to do so is secured
from the patent holder. In addition to examining patent applications, the PTO conducts other
proceedings to determine the validity of issued patents, which can result in the revocation of
previously issued patents. These proceedings play a central role in the country’s patent system.
Final decisions from the PTO are appealable to the U.S. Court of Appeals for the Federal Circuit,
which has exclusive, nationwide jurisdiction over most patent appeals.
With the Supreme Court hearing an increasing number of cases involving patent law and other
areas of intellectual property over the last decade, the Court is playing a larger role in the
development of patent law. During its October 2016 Term, the Court issued two patent law
opinions involving procedural issues that will affect when and where patent cases may be filed. In
another pair of cases heard during the October 2016 Term, the High Court dealt with issues
related to patents on multicomponent products—one in the context of determining infringement
and another in the context of calculating damages. A final pair of patent cases decided during the
Term may have major implications for the pharmaceutical industry—one addresses whether postsale
restrictions, commonly used in the pharmaceutical industry, are enforceable under patent law,
and the other will likely affect the speed at which biosimilars come to market.
In addition to the effects of the Supreme Court’s patent decisions issued during its October 2016
Term on patent law, there are a number of patent-related issues on the horizon. The
constitutionality of one of the PTO’s post-grant review proceedings has been called into question
in a case that will be heard during the Court’s upcoming October 2017 Term. In addition, with
patent reform being of perennial concern to Congress, certain legislative proposals have the
potential to alter various areas of patent law.