PatentBrief

Patent Policy

Patent Assertion Entities

PAEs account for over 60% of US patent cases. The AIA, eBay, Octane Fitness, and TC Heartland all reshaped the PAE landscape — but the business model persists.

What is a patent assertion entity and how do PAEs differ from patent trolls?

The terms 'patent assertion entity' and 'patent troll' are often used interchangeably, but they have slightly different connotations.

Patent Assertion Entity (PAE)

  • The academic and policy term
  • A company that holds patents primarily to generate licensing revenue or litigation settlements rather than to make products
  • PAEs include: (a) classic 'patent trolls' that use low-quality patents to extort settlements below litigation cost
  • (b) large sophisticated NPE licensing companies (Acacia Research, InterDigital, VIA Technologies) that have substantial operations and license patents to large technology companies
  • (c) failed startup vehicles that license patents from companies that couldn't commercialize their technology
  • (d) university technology transfer offices (TTO) and their licensing subsidiaries that enforce patents on behalf of academic researchers
  • (e) individual inventor companies

Patent Troll

  • Pejorative term often used for the subset of PAEs that are viewed as bad actors — using invalid or unenforceable patents, broad demand letters to hundreds of small companies, and litigation threats purely for settlement
  • OPERATING COMPANY vs.

Pae

  • The key distinction is whether the patent owner makes or sells products or services that practice the patent
  • An operating company may also assert patents (Apple v. Samsung; Qualcomm's licensing program) but is not considered a PAE because it also manufactures products

NPE (Non-practicing Entity)

  • Broader term that includes universities and research institutions that don't practice their patents
  • PAE is a subset of NPEs

Size and Sophistication. The PAE world ranges from small shell companies holding 1-5 patents to large organizations like Acacia Research (hundreds of patent families) with hundreds of millions in annual licensing revenue.

How do large PAE organizations operate differently from small patent trolls?

The PAE world is not monolithic — there are significant differences between large sophisticated licensing organizations and small shell companies.

Small Pae Shell Companies

  • Typically hold 1-5 patents
  • Acquired cheaply from bankrupt companies or individual inventors
  • Send mass demand letters to hundreds or thousands of small and medium businesses
  • Demand license fees below litigation cost ($25,000-$100,000)
  • Rely on volume — even a 5-10% response rate generates revenue
  • Have minimal operations — often just a lawyer and a management agreement
  • Avoid IPR exposure by settling before 1-year IPR filing deadline
  • LARGE SOPHISTICATED PAEs:

Acacia Research

  • Public company
  • Has acquired and licensed hundreds of patent families
  • Employs patent attorneys, licensing executives, and business development
  • Negotiates with large companies (Apple, Samsung, Microsoft)
  • Revenues in hundreds of millions annually

Interdigital

  • Wireless technology patent licensor
  • Has both operating and licensing components
  • Licenses FRAND-committed standards-essential patents for 3G, 4G, LTE to handset manufacturers
  • More akin to a standards patent pool than a troll

Via Technologies. ARM and wireless patent licensor

University Licensing Offices

  • Wisconsin Alumni Research Foundation (WARF)
  • University of California system
  • MIT Technology Licensing Office
  • These are NPEs that often assert patents aggressively but are viewed as more legitimate than commercial PAEs because they represent academic researchers

Pae Holding Structure

  • Many PAE portfolios are held in layers of shell companies to limit discovery of the true owner and to create judgment-proof structures
  • Plaintiffs facing PAE suits often cannot recover attorney fees even when they win because the shell company has no assets.

What does empirical research show about PAE litigation and its effects?

Academic and policy research on PAEs has produced significant empirical findings.

Volume

  • PAEs account for more than 60% of all US patent cases in recent years (up from roughly 25% pre-AIA)
  • Most PAE cases settle — roughly 75-85% before claim construction
  • Average settlement: $400,000-$600,000 for small defendants (below full-case litigation cost of $1M-$5M)

Innovation Effects

  • Studies by Bessen, Meurer, and others: PAE litigation reduces R&D spending by defendants
  • Defendants devote resources to litigation defense rather than innovation
  • $29 billion in annual wealth transfers in 2011 (Bessen, Meurer) with $7B going to lawyers

Counterarguments

  • PAE proponents argue: PAEs help inventors who lack resources to license independently
  • PAEs create a liquid market for patent assets
  • PAEs enforce patents that operating companies (who fear counter-suits) would not enforce

Small Business Disproportionate Impact

  • Colleen Chien's research: small companies (under $10M revenue) account for the majority of PAE defendants
  • A $100K demand is existential for a startup
  • Large companies can absorb PAE settlements as a cost of doing business

Alice Impact

  • After Alice Corp. v. CLS Bank (S.Ct. 2014): software patent assertion dropped significantly
  • Courts dismissed many PAE cases on Alice § 101 grounds

IPR Impact

  • Since IPRs became available (2012): PAE assertion rates on any specific patent lower because of IPR cancellation risk
  • PAEs more selective about which patents to assert

FTC 2016 Study

  • FTC examined 22 PAEs
  • Two types: 'Portfolio PAEs' (broad licensing campaigns, many licensees) and 'Litigation PAEs' (file suits before licensing)
  • Litigation PAEs accounted for 96% of suits but lower revenues than Portfolio PAEs.

What are the proposed and enacted legislative reforms targeting PAEs?

Patent litigation reform targeting PAE abuses has been extensively debated in Congress, with some reforms enacted and others repeatedly failing.

Enacted Reforms

AIA (2011). IPR, PGR, § 299 misjoinder reform (see above)

Transparency in Patent Ownership

  • Some states enacted laws requiring disclosure of the real party in interest in patent assertion letters
  • 34 states have enacted 'bad faith patent assertion' laws

Failed Federal Legislation

  • INNOVATION ACT (H.R. 9, 2013 and 2015): passed House twice but failed in Senate
  • Would have required: fee-shifting as default (loser pays) in patent cases
  • Heightened pleading standards for patent complaints
  • Mandatory disclosure of beneficial ownership (piercing shell company structures)

Patent Act (2015)

  • Similar to Innovation Act
  • Failed in Senate after patent owner lobby opposition

Why Reform has Stalled

  • Patent owner groups (Qualcomm, InterDigital, pharmaceuticals, universities) oppose reform
  • They fear that fee-shifting and pleading requirements would make legitimate patent enforcement harder
  • SOFTWARE vs. PHARMA division: software industry supports reform
  • Pharmaceutical industry opposes

What Reformers Want

  • (a) mandatory disclosure of real party in interest
  • (b) fee-shifting as default rule
  • (c) discovery limits to reduce cost of patent litigation
  • (d) heightened pleading (require specific claim charts in complaint)
  • (e) stays of discovery pending IPR resolution

State Bad Faith Laws

  • Vermont (2013), Nebraska, Virginia, and others: state consumer protection laws against sending bad-faith demand letters
  • FTC enforcement authority: FTC can pursue unfair trade practices against abusive patent demand letter campaigns (FTC v. MPHJ Technology).

Related guides

Patent TrollsInter Partes ReviewLicensing ProgramsDamagesAlice § 101