Intellectual Ventures I LLC v. Trend Micro Incorporated et al.

Case Overview and Background

This patent infringement litigation involves plaintiff Intellectual Ventures I LLC (IV), a prominent non-practicing entity (NPE), and defendant Trend Micro Incorporated, a major cybersecurity and anti-virus software company. IV's business model centers on acquiring large portfolios of patents and then licensing them to technology companies, often under the threat of litigation. Trend Micro is an operating company that develops and sells a wide range of security software for consumers and enterprises, including antivirus, network security, and cloud security products. The dispute arose from a broader campaign by IV asserting patents against multiple players in the security software industry. This specific case against Trend Micro was severed in 2012 from an earlier, larger lawsuit IV had filed against Symantec Corp. in 2010.

The lawsuit originally involved multiple patents, with IV accusing Trend Micro's anti-malware and anti-spam software products of infringement. The specific patent at issue in this summary, U.S. Patent No. 5,987,610, generally relates to a method for screening and filtering data files, such as email attachments or other files transferred over a network, to detect viruses. The technology involves creating a "screen" at a file transfer protocol (FTP) or mail server to intercept files and scan them for viruses before they reach the end-user's computer. IV initially asserted claim 7 of the '610 patent against Trend Micro. However, after Trend Micro filed a motion for summary judgment of invalidity, IV voluntarily withdrew its infringement claim concerning this patent, although litigation continued over other patents in the same suit.

The case was litigated in the U.S. District Court for the District of Delaware, a venue known for its experienced judiciary in handling complex patent cases and a frequent forum for litigation, particularly involving companies incorporated in the state. The presiding judge was Chief Judge Leonard P. Stark. This case is notable as an example of IV's widespread litigation campaign targeting the cybersecurity sector and highlights a common tactic where an NPE withdraws claims on a specific patent to avoid an adverse ruling on its validity, while continuing the broader litigation. The broader litigation that included both Symantec and Trend Micro eventually reached the Court of Appeals for the Federal Circuit, which addressed the patent eligibility of the other patents involved in the case.

Key Developments and Outcome

Filing and Initial Pleadings

• 2010-12-08: Intellectual Ventures I LLC ("IV") filed its original complaint in the District of Delaware, case number 1:10-cv-01067-LPS, against multiple defendants, including Symantec Corp. and Trend Micro. The complaint alleged infringement of several patents, including U.S. Patent No. 5,987,610 ('610 patent).
• 2011-02-14: In the original consolidated action, Trend Micro filed its answer and counterclaims to IV's complaint.
• 2012-11-21: The court severed the case against Trend Micro from the Symantec litigation, creating the instant case, 1:12-cv-01581-LPS.

Pre-Trial Motions and Claim Withdrawal

• 2015-03-19: Intellectual Ventures formally notified Trend Micro that it would no longer be asserting U.S. Patent No. 5,987,610 in the upcoming trial. This voluntary withdrawal of the infringement claims related to the '610 patent occurred after Trend Micro had filed a motion for summary judgment of invalidity.
• 2015-04-22: In a significant ruling on pending summary judgment motions, Chief Judge Leonard P. Stark found the asserted claims of the other two patents in the case, U.S. Patent Nos. 6,460,050 and 6,073,142, to be invalid as they were directed to patent-ineligible subject matter under 35 U.S.C. § 101. The court noted IV's recent withdrawal of the '610 patent against Trend Micro in this opinion. This decision rendered the need for a trial, which had been scheduled to begin on May 11, 2015, moot.

Final Disposition and Appeal

• 2015-06-17: The court entered a final judgment in favor of Trend Micro, officially closing the case at the district court level and resolving all remaining claims against the company.
• 2016-09-30: The U.S. Court of Appeals for the Federal Circuit affirmed the district court's judgment of invalidity for the '050 and '142 patents. In a related appeal involving Symantec, the Federal Circuit reversed the district court's finding that the '610 patent was patent-eligible, holding its claims invalid as well.

Post-Judgment Attorneys' Fees Litigation

Following the judgment on the merits, the case saw a prolonged dispute over Trend Micro's request for attorneys' fees.

• Trend Micro moved for attorneys' fees under 35 U.S.C. § 285, arguing the case was "exceptional." The motion was based on the conduct of IV's expert witness, who had allegedly changed his testimony regarding claim construction in the parallel Symantec trial.
• The district court initially found that while IV's expert-related conduct was exceptional, the case as a whole was not. It awarded Trend Micro a portion of its fees related to this specific misconduct.
• 2019-12-19: On appeal, the Federal Circuit vacated the district court's fee award. The appellate court ruled that a district court must find the entire case to be exceptional "as a whole" to award fees under § 285; it cannot find just a single part of the litigation to be exceptional. The case was remanded for the district court to reconsider its decision under this "totality of the circumstances" standard.
• Following the remand, there were further proceedings on the attorneys' fees issue, though the ultimate resolution of that specific dispute is not clearly detailed in publicly available records.

Parallel PTAB Proceedings

A search of the USPTO's Patent Trial and Appeal Board (PTAB) database did not reveal any Inter Partes Review (IPR) proceedings filed by Trend Micro specifically challenging the validity of U.S. Patent No. 5,987,610. The voluntary withdrawal of the patent from the litigation appears to have been a strategic decision made in the context of the district court summary judgment motions rather than a direct result of a parallel PTAB proceeding.

As of the case filings and subsequent appellate records, counsel for plaintiff Intellectual Ventures I LLC (IV) included a combination of Delaware-based local counsel and lead counsel from national litigation firms.

Local Counsel

• Name: Brian E. Farnan

  • Role: Local Counsel
  • Firm: Farnan LLP in Wilmington, Delaware.
  • Noteable Experience: Farnan is a veteran Delaware litigator who regularly serves as local counsel for patent holders in the U.S. District Court for the District of Delaware, handling a wide range of technologies from pharmaceuticals to tech.

• Name: Michael J. Farnan

  • Role: Local Counsel
  • Firm: Farnan LLP in Wilmington, Delaware.
  • Noteable Experience: Michael Farnan frequently represents plaintiffs as Delaware counsel in complex commercial and patent litigation within the state's federal and state courts.

Lead and Co-Lead Counsel

• Name: Parker C. Folse III

  • Role: Lead Counsel
  • Firm: Susman Godfrey L.L.P. in Seattle, Washington.
  • Noteable Experience: Folse was lead counsel for Intellectual Ventures in the related trial against Symantec, where he secured a $17 million jury verdict before post-trial motions altered the outcome.

• Name: Glenn D. Pomerantz

  • Role: Co-Lead Counsel
  • Firm: Munger, Tolles & Olson LLP in Los Angeles, California.
  • Noteable Experience: Pomerantz is a prominent trial lawyer known for handling complex antitrust and intellectual property matters, including representing clients in copyright disputes involving new technologies.

• Name: Kelly M. Klaus

  • Role: Co-Lead Counsel
  • Firm: Munger, Tolles & Olson LLP in Los Angeles, California.
  • Noteable Experience: Klaus is a highly-regarded intellectual property litigator who has represented major motion picture studios and record companies in high-profile copyright infringement cases.

• Name: Elizabeth A. Laughton

  • Role: Of Counsel (at the time)
  • Firm: Susman Godfrey L.L.P. (office not specified in docket, but firm has a national presence)
  • Noteable Experience: Laughton's practice focuses on intellectual property matters, with experience in patent disputes across various technologies before district courts, the PTAB, and the Federal Circuit.

• Name: Richard W. Hess

  • Role: Counsel
  • Firm: Susman Godfrey L.L.P. in Houston, Texas.
  • Noteable Experience: Hess was part of the appellate team representing Intellectual Ventures before the Federal Circuit in the appeal involving both Trend Micro and Symantec.

• Name: John Pierre Lahad

  • Role: Counsel
  • Firm: Susman Godfrey L.L.P. in Houston, Texas.
  • Noteable Experience: Lahad argued for Intellectual Ventures before the U.S. Court of Appeals for the Federal Circuit in a 2019 appeal related to an attorneys' fees order in the Trend Micro case.

Counsel for Defendant Trend Micro Incorporated

Trend Micro assembled a multi-firm legal team to defend against Intellectual Ventures' patent infringement claims. The team was led by the intellectual property litigation group at Paul Hastings LLP, with the prominent Delaware firm Morris, Nichols, Arsht & Tunnell LLP serving as local counsel. Early in the proceedings, counsel from McDermott Will & Emery LLP also represented the defendant.

Lead Counsel

• Name: Yar R. Chaikovsky

  • Role: Lead Counsel
  • Firm: Paul Hastings LLP (at the time of the case); now at White & Case LLP.
  • Office Location: Palo Alto, CA.
  • Note: A nationally recognized trial lawyer, he served as Global Co-Chair of Paul Hastings' Intellectual Property practice and has represented numerous major technology companies in high-stakes patent disputes.

• Name: D. Stuart Bartow

  • Role: Of Counsel
  • Firm: Paul Hastings LLP (at the time of the case); now at Duane Morris LLP.
  • Office Location: Palo Alto, CA and Wilmington, DE.
  • Note: A trial lawyer with a background in computer engineering, focusing on complex patent and trade secret disputes for high-technology clients.

• Name: Allan M. Soobert

  • Role: Of Counsel
  • Firm: Paul Hastings LLP
  • Office Location: Washington, D.C.
  • Note: A first-chair patent and trade secret litigator known for his role in the landmark eBay v. MercExchange Supreme Court case.

Local Counsel (Delaware)

• Name: Jack B. Blumenfeld

  • Role: Local Counsel
  • Firm: Morris, Nichols, Arsht & Tunnell LLP
  • Office Location: Wilmington, DE.
  • Note: A veteran patent litigator often called the "dean of the Delaware IP bar," with extensive experience in lead and Delaware counsel roles for major technology and pharmaceutical companies.

• Name: Rodger D. Smith II

  • Role: Local Counsel
  • Firm: Morris, Nichols, Arsht & Tunnell LLP
  • Office Location: Wilmington, DE.
  • Note: A highly-regarded Delaware patent litigator with over 30 years of experience who has served as chair of his firm's executive committee.

• Name: Karen Ann Jacobs

  • Role: Local Counsel
  • Firm: Morris, Nichols, Arsht & Tunnell LLP
  • Office Location: Wilmington, DE.
  • Note: A partner recognized as an "IP Star" who focuses on patent litigation in Delaware and has held leadership roles within the firm and the Delaware State Bar Association.

• Name: Michael J. Flynn

  • Role: Local Counsel
  • Firm: Morris, Nichols, Arsht & Tunnell LLP
  • Office Location: Wilmington, DE.
  • Note: Represents clients as Delaware counsel in patent litigation with a focus on web-based technology, networking, and biotechnology.

Additional Counsel

• Name: David L. Larson

  • Role: Of Counsel (early in the case)
  • Firm: McDermott Will & Emery LLP
  • Office Location: Menlo Park, CA.
  • Note: An intellectual property attorney based in Silicon Valley. His specific role beyond appearing for the firm is not widely documented in public sources.

• Name: Christopher D. Bright

  • Role: Of Counsel (early in the case)
  • Firm: McDermott Will & Emery LLP (at the time); now at Snell & Wilmer.
  • Office Location: Orange County, CA.
  • Note: An experienced patent litigator with a physics background, known for handling cases in federal courts and before the ITC for technology sector clients.

In-House Counsel

• Name: Felix S. Sterling
  • Role: In-House (Chief Legal Officer)
  • Firm: Trend Micro Incorporated
  • Office Location: Los Gatos, CA.
  • Note: As Chief Legal Officer and EVP of Global Policy and Compliance, he oversees Trend Micro's global legal operations, governance, and strategic matters.