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Xlear Announces Registration of National Wash Your Nose Day Global Leader in Xylitol-Based Sinus Care Products Highlights the Importance of Nose Washing for Nasal Hygiene News provided by Share this article AMERICAN FORK, Utah, March 11, 2021 /PRNewswire/ --  Xlear, Inc. a global leader in creating award-winning natural, convenient, xylitol-based sinus care products, announces today the registration of National Wash Your Nose Day, a day recognized on March 11, the one-year anniversary of the World Health Organization declaring COVID-19 a pandemic. The newly registered National Wash Your No...

Wednesday, March 10, 2021 The assignor estoppel doctrine (“AED”) is an equitable doctrine based on the principle of fair dealing that prevents assignors of patent rights, and those in privity with them, from challenging the validity of the assigned rights under many circumstances. The classic fact pattern in which the AED is invoked involves an inventor/assignor assigning his or her patent rights for value and then seeking to invalidate such patent rights when sued for infringement of the assigned rights. The Supreme Court has recognized this doctrine on a number of occasions, b...