Sorenson ‘184 Patent Faces Final Rejection
| February 1, 2010
U.S. Patent No. 4,935,184 to Sorenson has been the subject of more law suits, to this author’s knowledge, than any other U.S. patent. It claims a method for injection molding “a thin-walled, hollow plastic product,” and has been asserted against processes for making numerous commercial products.
Two ex parte reexamination requests were filed against the ‘184 patent in 2007 and later merged into a single proceeding. The three primary examiners in that merged proceeding have now issued a final rejection of claims 1-2, 4, and 6-10 (claims 3 and 5 not being under reexamination).
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