GUANGDONG ALISON HI-TECH CO. v. ITC, decided August 27, 2019, Indefiniteness

U.S. Patent No. 7,078,359 is directed to an aerogel composite with a fibrous batting (page 3). The claims recite a “lofty fibrous structure” or “lofty batting” (pages 3-4). While lofty is a term of degree, the specification provides an objective boundary (page 10). A “lofty batting” is expressly defined as “a fibrous material that shows […]