31471
On the blog , he claimed that the plaintiff , a company named ESN , filed a law suit a day before the patent was issued ( which if true meant the case had no legal standing ) , and that subsequently ESN 's local counsel convinced a federal courthouse clerk to switch the date on the docket to the next day .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None