News & Analysis as of

Microsoft Patent Litigation

Jones Day

Existence != Access – Public Accessibility Must be Clear

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In a recent decision, the Patent Trial and Appeals Board denied institution of inter partes review after holding that Petitioner Microsoft’s key obviousness reference did not qualify as a printed publication. Microsoft Corp....more

AEON Law

Patent Poetry: When is a patented product sold “within the United States”?

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Under 35 U.S. Code § 271, a US patent is infringed when someone: without authority makes, uses, offers to sell, or sells any patented invention, within the United States or imports into the United States any patented...more

Alston & Bird

Patent Case Summaries - May 2022 #2

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A weekly summary of the precedential patent-related opinions issued by the Court of Appeals for the Federal Circuit and the opinions designated precedential or informative by the Patent Trial and Appeal Board....more

Knobbe Martens

No “Automatic” Review Under O2 Micro

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KAUFMAN v. MICROSOFT CORPORATION - Before Dyk, Reyna, and Taranto. Appeal from the District Court for the Southern District of New York - Summary:  An “automatic” method does not require all steps in the method to be...more

Jones Day

Some Conditions May Apply – Fintiv Factor 4 Analysis

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In a recent decision, the Patent Trial and Appeal Board granted institution of inter partes review after accepting the Petitioner Microsoft’s stipulation to forego overlapping challenges in parallel district court proceedings...more

Jones Day

Fed. Cir.: Don’t Expect PTAB to Do Your Work For You

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The Federal Circuit’s recent decision in Microsoft Corporation v. FG SRC, LLC, No. 2020-1928 (Fed. Cir. June 17, 2021), is a stark reminder that an IPR petitioner must always set forth its grounds in its petition with...more

Jones Day

Joinder Bid After Prior Petition Denial Fails

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After being sued by Uniloc in April 2018 for infringement of U.S. Patent No. 6,467,088 (“Reconfiguration Manager for Controlling Upgrades of Electronic Devices”), Apple challenged claims 1-21 of that patent at the PTAB in...more

Patterson Belknap Webb & Tyler LLP

As Trial Concludes, Judge Hellerstein Issues, then Reconsiders, Patent Marking Ruling

As trial in Kaufman v. Microsoft Corporation wound down yesterday, United States District Court Judge Alvin K. Hellerstein (S.D.N.Y.) granted Defendant Microsoft Corporation (“Microsoft”)’s motion to limit damages to those...more

Jones Day

Should You File A “Copycat” IPR Petition?

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If you don’t have new grounds to add, you may as well copycat. On September 4, 2019, the PTAB denied Microsoft’s petition requesting inter partes review (“IPR”) of U.S. Patent No. 7,167,487 (“the ’487 patent”); furthermore,...more

McDermott Will & Emery

To Be Anticipatory, Reference Must Disclose All Claim Elements Arranged as in Claim

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The US Court of Appeals for the Federal Circuit affirmed a decision that a patent challenger at the Patent Trial and Appeal Board (PTAB) must prove invalidity by a preponderance of evidence and must establish anticipation...more

Jones Day

EDTX Interprets Federal Circuit Precedent Narrowly, Recommends Applying §315 Estoppel Broadly

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In Biscotti Inc. v. Microsoft Corp., Magistrate Judge Payne recommended that estoppel under §315(e) apply broadly against Microsoft in an upcoming patent infringement trial scheduled for early June 2017. No....more

McDonnell Boehnen Hulbert & Berghoff LLP

Biscotti Inc. v. Microsoft Corp. (E.D. Tex. 2017)

Magistrate Recommends Narrow Interpretation of Inter Partes Review Estoppel Provision - Earlier this month, in Biscotti Inc. v. Microsoft Corp., U.S. Magistrate Judge Roy S. Payne of the U.S. District Court for the Eastern...more

Knobbe Martens

Magistrate Judge Recommends IPR Estoppel Bar of Prior Art References

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A magistrate judge in the Eastern District of Texas recommended in Biscotti, Inc. v. Microsoft Corp., No. 2:13-CV-01015, DI 191 (E.D. Tex. May 11, 2017) that Microsoft should be estopped from asserting invalidity grounds that...more

Goodwin

Issue Four: PTAB Trial Tracker

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Parallel District Court and PTAB Proceedings - In Douglas Dynamics, LLC v. Meyer Prods. LLC, No. 3:14-cv0886-JDP (W.D. Wis. April 18, 2017), the district court for the Western District of Wisconsin drew a clear line...more

Lathrop GPM

Using the Enfish Decision to Your Advantage – Practical Tools for Fighting Alice

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On May 12, 2016, the Federal Circuit reversed the District Court and found two software-related patents “directed to an innovative logical model for a computer database” patent eligible under 35 U.S.C. §101 [Enfish, LLC, v....more

Mintz - Intellectual Property Viewpoints

Even After Enfish, Alice Still Casts a Shadow at the PTAB

When it comes to Enfish, the PTAB may have just indicated that it prefers to cut bait. In Informatica Corp. v. Protegrity Corp., CBM2015-0021 (May 31, 2016), the PTAB held that U.S. Patent No 6,321,201 was void under Alice...more

Foley & Lardner LLP

Two Recent Decisions Put Alice "Step One" on Center Stage at The Federal Circuit

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On May 12 and May 17, 2016, the Federal Circuit issued decisions in two § 101 cases, EnFish, LLC v. Microsoft Corp. and In re TLI Communications, LLC. Both authored by Judge Hughes, the decisions illustrate the difficult...more

Dorsey & Whitney LLP

Federal Circuit Holds District Court Abstractness Analysis Too Abstract for Alice under 35 USC § 101

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Clients in the software space now have stronger arguments for subject matter eligibility, following the Federal Circuit decision in Enfish LLC v. Microsoft Corp. (May 12, 2016). The decision also touches on novelty,...more

Mintz - Intellectual Property Viewpoints

Latest Post-Alice Guidance from the Federal Circuit

On Thursday, May 12, 2016, the Federal Circuit reversed a lower court’s finding of invalidity under 35 U.S.C. § 101, as an unpatentable abstract idea, of a software patent concerning a “self-referential” database in Enfish v....more

BakerHostetler

Major 101 Decision – Enfish v. Microsoft

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Today in Enfish v. Microsoft, the Federal Circuit held software claims patent eligible, reversing the district court’s grant of summary judgment on 101. This is a major decision because it is only the second since Alice where...more

WilmerHale

Federal Circuit Patent Updates - April 2016

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Mankes v. Vivid Seats Ltd. (No. 2015-1909, 4/22/16) (Taranto, Schall, Chen) - Taranto, J. Vacating judgment on the pleadings dismissing cases for inadequately pleading divided infringement and remanding for...more

WilmerHale

Here We Go Round the Merry-Go-Round: How a § 101 Denial May Inform a Subsequent Motion

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With the explosion of 35 U.S.C. § 101 challenges since Alice v. CLS Bank,1 litigants and courts are well familiar with its applicable two-part inquiry. Overlaying and shaping the Alice inquiry, however, are the parties’...more

Foley & Lardner LLP

VirnetX Faces Follow-on IPR Petition from a Different Petitioner After Settling Previously Instituted IPR

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In IPR2014-00614, Microsoft filed a petition for IPR against US Patent No. 7,418,504 (“the ‘504 patent) owned by VirnetX, which was instituted based upon anticipation grounds over Kiuchi (see institution decision). This IPR...more

McDermott Will & Emery

What Happens on Remand of a PTAB Inter Partes Review Decision from the Federal Circuit? - Microsoft Corp. v. Proxyconn, Inc.

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In Microsoft Corp., v. Proxyconn, Inc. (IP Update, Vol. 18, No. 7), the U.S. Court of Appeals for the Federal Circuit recognized that there are limits to the broadest reasonable interpretation standard, and explained, “[t]hat...more

Mintz - Intellectual Property Viewpoints

Review of 2015 Federal Circuit Decisions Addressing IPR Claim Construction and Procedural Issues

2015 was a busy year for post-grant review appeals at the Federal Circuit and produced notable opinions in the areas of claim construction, IPR procedural issues, and the constitutionality of IPRs in general. In 2015, the...more

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