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Fee Income	6 Months Ended
Jun. 30, 2021
Fee Income
Fee Income	Note 5. Fee Income Fee income represents amounts earned by the Company under various license and other agreements relating to technology developed by the Company. During the first six months of 2021, three licensees accounted for 10% or more of fee income of the Company; these licensees accounted for approximately 27%, 23% and 11% of fee income recognized during such period. During the first six months of 2020, five licensees accounted for 10% or more of fee income of the Company; these licensees accounted for approximately 22%, 17%, 12%. 12% and 12% of fee income recognized during such period. During the three months ended June 30, 2021, three licensees accounted for 10% or more of fee income of the Company; these licensees accounted for approximately 27%, 21% and 15% of fee income recognized during such period. During the three months ended June 30, 2020, four licensees accounted for 10% or more of fee income of the Company; these licensees accounted for approximately 17%, 17%, 11%, and 10% of fee income recognized during such period.

Fee Income

6 Months Ended

Jun. 30, 2021

Note 5. Fee Income

Fee income represents amounts earned by the Company under various license and other agreements relating to technology developed by the Company.

During the first six months of 2021, three licensees accounted for 10% or more of fee income of the Company; these licensees accounted for approximately 27%, 23% and 11% of fee income recognized during such period. During the first six months of 2020, five licensees accounted for 10% or more of fee income of the Company; these licensees accounted for approximately 22%, 17%, 12%. 12% and 12% of fee income recognized during such period.

During the three months ended June 30, 2021, three licensees accounted for 10% or more of fee income of the Company; these licensees accounted for approximately 27%, 21% and 15% of fee income recognized during such period. During the three months ended June 30, 2020, four licensees accounted for 10% or more of fee income of the Company; these licensees accounted for approximately 17%, 17%, 11%, and 10% of fee income recognized during such period.