patents, antitrust, acquisitions, monopolization, patent assertion entities, damages, remedies
The “monopoly” authorized by the Patent Act refers to the exclusionary power of individual patents. That is not the same thing as the acquisition of individual patent rights into portfolios that dominate a market, something that the Patent Act never justifies and that the antitrust laws rightfully prohibit.
Most patent assignments are procompetitive and serve to promote the efficient commercialization of patented inventions. However, patent acquisitions may also be used to combine substitute patents from external patentees, giving the acquirer an unearned monopoly position in the relevant technology market. A producer requires only one of the substitutes, but by acquiring the combination it can impede product market rivals by limiting their access to important technological inputs. Similarly, a patent assertion entity may acquire substitute patents to eliminate inter-licensor competition, enabling it to charge supra-competitive license fees, much like a merger or cartel. For example, by acquiring two or more substitute patents that collectively dominate a market a PAE can effectively monopolize the technology for that market. Such anticompetitive practices are regularly condemned in conventional product contexts, but the courts have not yet applied the same antitrust logic to patent markets. And they passively encourage anticompetitive patent acquisitions by awarding large damages when such patents are infringed.
We propose that infringement damages for an externally acquired patent be denied if the acquisition served materially to expand or perpetuate the plaintiff’s dominant position in the relevant technology market. By weakening enforcement, this limits the patent holder’s ability to use such acquisitions to anticompetitive ends. We do not suggest that a dominant patent holder should be prohibited from securing external patent rights in the relevant technology market, but simply that it should obtain them through nonexclusive licensing, not transactions that restrict third party access. This is as valuable to patent policy as it is to antitrust, for it will tend to increase innovation by discouraging systematic monopoly in technology markets.
Hovenkamp, Erik N. and Hovenkamp, Herbert J., "Buying Monopoly: Antitrust Limits on Damages for Externally Acquired Patents" (2017). Faculty Scholarship at Penn Law. 1791.
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