Content deleted Content added
→Patent expiration date: Explained issues. |
m Signing comment by 71.41.210.146 - "→Patent expiration date: Explained issues." |
||
Line 49:
# (Old rule) 17 years from date of issue. May 25, 1993 + 17 years = May 25, 2010.
# (New rule) 20 years from date of filing. ([http://www.law.cornell.edu/uscode/35/154(a).html 35 U.S.C. § 154(a)]) But the date of filing includes, in some cases, priority dates based on international patent applications (see [http://www.patentlens.net/daisy/KeyOrgs/1236/418/420/422.html Patent Cooperation Treaty]).
Before Fgrieu's edits, the date of U.S. filing (1992-01-07) was used, but he rightly points out that an earlier date might actually apply. I'm just not sure which one.... <span style="font-size: smaller;" class="autosigned">—Preceding [[Wikipedia:Signatures|unsigned]] comment added by [[Special:Contributions/71.41.210.146|71.41.210.146]] ([[User talk:71.41.210.146|talk]]) 20:54, 24 May 2011 (UTC)</span><!-- Template:UnsignedIP --> <!--Autosigned by SineBot-->
One option for the priority date is the date of issue of the Swiss patent (1990-05-18), which would place the 20-year expiration on 2010-05-18, slightly before the "old rule" date.
| |||