Patent Validity

News & Analysis as of

Ariosa Loses Verinata Patent Challenge

Fetal diagnostic pioneer Ariosa Diagnostics lost its latest attempt to invalidate competitor Verinata Health’s U.S. Patent No. 8,318,430, “Methods of Fetal Abnormality Detection.” The USPTO’s Patent Trial and Appeal Board...more

Construing Markush Group Claims

In Multilayer Stretch Cling Film v. Berry Plastics, the Federal Circuit provided a detailed discussion of the construction of claims that use Markush group language. The decision emphasizes the closed nature of the...more

A legal look at Patent Trial and Appeal Board decisions and trends: PTAB Statistics - Then and Now

The Inter Partes Review (IPR) and Covered Business Method (CBM) procedures were enacted on September 16, 2012. Since then, the PTAB has released data on a monthly basis to illustrate the trends in the various petitions and...more

En Banc Federal Circuit To Review Standards for Amending Claims During AIA Proceedings

In a rare grant of a petition for rehearing en banc, the court decided that an appeal “warrants en banc consideration” of who bears what burden when amending in an IPR. In re: Aqua Products, No. 15-1177, slip op. at 2 (Fed....more

In First Set of Post-Grant Review Decisions, PTAB Strikes Down Patents Based on Alice

Addressing for the first time the issue of patent validity in the context of an America Invents Act post-grant review, the Patent Trial and Appeal Board (PTAB or Board) invalidated two livestock patents as unpatentable under...more

HP Inc. v. Big Baboon, Inc. (PTAB 2016) - Business Method Patent Not Invalid under 35 U.S.C. § 101

HP Inc. and SAP America, Inc. filed a Petition seeking a covered business method (CBM) patent review of claims 15 and 20–34 of U.S. Patent No. 6,343,275 owned by Big Baboon, Inc. The PTAB, however, determined that the...more

BASCOM—Federal Circuit Holds Internet Content Filtering Patent Passes Alice Test

In a Section 101 analysis under Alice Corp. Pty. Ltd. v. CLS Bank Intl., “[a]n inventive concept can be found in the non-conventional and non-generic arrangement of known, conventional pieces”—even if individual claim...more

Full Federal Circuit Denies En Banc Review of Jurisdictional Decision with Important Implications for BPCIA Litigation

On June 20, 2016, the full Federal Circuit denied Mylan’s petitions for rehearing en banc in Acorda Therapeutics Inc. v. Mylan Pharms. Inc., 817 F.3d 755 (Fed. Cir. 2016), leaving intact the panel’s decision affirming two...more

Canons of Claim Construction to the Rescue

In Ruckus Wireless, Inc. v. Innovative Wireless Solutions, LLC, [2015-1425, 2015-1438] (May 31, 2016), the Federal Circuit affirmed the district court’s claim construction and resulting judgment of non-infringement. At...more

Waiver Conundrum in Akamai v. Limelight Remand

In a lengthy litigation between Akamai Technologies, Inc. (“Akamai”) and Limelight Networks, Inc. (“Limelight”), the District of Massachusetts recently addressed whether Limelight waived issues presented in its Renewed Motion...more

U.S. Patent Office Issues New Examples of Patent Eligibility Analysis of Life Sciences Claims

On May 4, 2016, the United States Patent Office published a subject matter eligibility update for determining patent eligibility under 35 U.S.C. § 101. The Update supplements the previous guidelines and includes additional...more

Avago Technologies General IP (Singapore) Pte Ltd. v. Asustek Computer, Inc. (N.D. Cal. 2016)

"Quick Look Test" Used by District Court to Support Lack of Preemption and Find Software Claims Patent Eligible - On April 15, 2016, the U.S. District Court for the Northern District of California issued an Order Denying...more

Decision to Institute IPR Need Not Be Binary - Synopsys, Inc. v. Mentor Graphics Corp.

Addressing whether the Patent Trial and Appeal Board (PTAB or Board) may institute inter partes review (IPR) with respect to some but not all of the claims challenged in a petition, the US Court of Appeals for the Federal...more

The Use of Expert Opinions in ‘Reverse-Payment’ Settlement Cases Under Actavis - King Drug Company of Florence, Inc., et al. v....

Applying its previous rulings in related litigation and interpreting FTC v. Actavis, 570 U.S. 756 (2013), the U.S. District Court for the Eastern District of Pennsylvania was tasked with determining whether to preclude expert...more

Reversal of Narrow Claim Construction Results in Satisfaction of Claim Element (Avid Technologies, Inc. v. Harmonic, Inc.)

Addressing the standard to establish a “clear and unmistakable” disclaimer of claim scope during prosecution, the U.S. Court of Appeals for the Federal Circuit reversed the district court’s narrow claim construction and...more

Retrial Is Granted In HVAC Patent Dispute

Robinson, J. Plaintiff’s motion for permanent injunction is moot. Defendants’ post-trial motions are granted in part and denied in part. The disputed technology relates to self-configuring controls for HVAC systems. The...more

Federal Circuit Reinforces PTAB’s Authority to Institute Trial on Selected Claims in Synopsis v. Mentor Graphics Appeal

Newcomers to post-grant proceedings are often surprised by the PTAB’s claim-by-claim approach to patent challenges under the America Invents Act....more

Knobbe Martens Client Nomadix Prevails On Summary Judgment

On January 27, the U.S. District Court for the Central District of California granted summary judgment in favor of Nomadix, Inc., ruling that competitor Blueprint RF infringes Nomadix’s patented Internet-access technology....more

Top Stories of 2015: #6 to #10

After reflecting upon the events of the past twelve months, Patent Docs presents its ninth annual list of top patent stories. For 2015, we identified twenty stories that were covered on Patent Docs last year that we believe...more

Knobbe Martens Client STAR Envirotech Wins Affirmance of IPR Decision Finding Patent Valid

On December 31, 2015, the U.S. Court of Appeals for the Federal Circuit affirmed the Patent Trial and Appeal Board’s decision that a STAR Envirotech patent relating to its evaporative emission testing tools is valid and not...more

Stratasys Extrudes Past IPR Petitions; Set to Build 3D Printer Case Against Afinia

Stratasys asserted four of its 3D printing patents against Afinia in the U.S. District Court of Minnesota. Afinia responded by petitioning for inter partes review (IPR) of the asserted patents. Yet, Stratasys escaped...more

Analysis Group Client ImmunoGen Patent Upheld In Rare Victory at the PTAB

The Patent Trial and Appeal Board (PTAB) recently ruled in favor of ImmunoGen, Inc., denying Phigenix, Inc.’s petition that the claims of an ImmunoGen patent covering its breast cancer treatment, Kadcyla, were unpatentable....more

Eight Days Late, and an Exercise of Discretion Short — PTAB Refuses to Conform to an IPR Settlement

35 U.S.C. § 317(a) states that “an inter partes review … shall be terminated with respect to any petitioner upon the joint request of the petitioner and the patent owner, unless the Office has decided the merits of the...more

PTAB Panel Allows Joinder of Multiple IPR Proceedings Filed by Same Petitioner, Sharpens Disparity Between Panels Interpreting 35...

An expanded panel of the USPTO Patent Trial and Appeal Board (“PTAB” or “Board”) recently exercised its discretion under 35 U.S.C. § 315(c) to grant a motion to join an inter partes review proceeding with an already-initiated...more

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