Tag: patent-lifetime

33 How long are patents valid? 2012-09-21T07:40:08.213

16 How do you determine a patent expiration date? 2013-05-13T20:04:33.933

14 Is it possible to quickly kill existing patents? 2013-07-22T16:27:50.673

7 How often are patents terminally disclaimed? 2015-09-15T04:15:41.490

6 Is an expired patent in the public domain? 2014-01-01T10:35:09.030

6 Filing, CIP, Con, PCT, Priority, etc and Expiration Date 2015-06-18T20:24:59.870

5 What is the expiration date of patent US 6,676,109? 2013-12-17T11:16:37.560

5 How do I re-patent a product similar to one that's had its patent expire? 2016-01-27T05:08:48.213

4 When can I start using an expiring patent? 2013-09-18T17:21:51.397

4 Timelines for patenting 2015-02-13T18:38:57.137

4 Why do patent protections last 20 years? 2021-01-25T07:52:01.390

3 What is a look back period 2012-11-07T18:09:24.190

3 Is this patent US6323569 B1 still valid? Valid till? End date? 2012-12-20T07:25:53.723

3 When will patent US 6,797,357 expire? 2015-07-16T13:12:01.383

3 When do the rights granted by a design patent vest in the USA? 2015-08-30T02:34:18.580

2 Is this toilet bidet patent design expired and now public? 2012-10-29T08:11:17.483

2 Expiration date of US5597520 2012-11-21T21:54:15.470

2 Patent expiration date with multiple publications 2012-11-26T22:37:33.150

2 When does US Patent 5,720,421 expire? 2013-02-05T17:40:37.440

2 How long is this plant patent protection USPP9753P, 20 or 25 years 2013-05-27T14:02:21.713

2 What steps does a patent application follow? 2013-09-15T21:54:27.380

2 Expiration date of US 5,618,582? 2014-01-29T20:03:42.863

2 Someone patent a design 2 years after I published a research papers. 2014-02-27T22:38:39.137

2 What if the inventor of the idea is dead? 2014-05-27T18:47:18.570

2 Is US 5278057 A still in force? 2014-08-13T17:55:34.993

2 Who has the rights this patent? 2014-09-29T01:17:59.100

2 Is this patent still valid? Aircraft trash compactor and box US 4620479 A 2014-11-04T18:53:05.300

2 Are the enclosed patents still valid? 2014-11-16T13:43:36.467

2 How do we reinstate our patent US 5,341,526 2015-03-19T05:50:31.460

2 When a patent goes into Lapse status in European countries can it be renewed later? 2015-05-07T12:18:25.510

2 Has patent US 5,195,917 A expired? 2015-09-26T16:26:23.027

2 William A Clark extended expansive bit patents 2016-06-18T19:30:23.067

2 Is US2463439 still active? 2017-10-15T23:54:02.833

2 When exactly Patent No. US 7,716,161 B2 expire? 2018-01-08T11:09:54.213

2 Can you file a continuation immediately after filing an application? 2018-05-28T20:46:41.243

1 Patent length and breadth 2012-10-19T17:11:03.727

1 Can Patent US 5350471 be re-patented after expiration? 2013-07-31T10:29:32.390

1 If I have already publicized my technology could someone else patent it? 2014-02-21T19:21:26.540

1 how many years is patent good for 6092612 2014-08-12T18:02:30.280

1 Was EP 0198288 A3 renewed? 2014-08-13T18:12:14.770

1 How can you renew an expired patent? 2014-10-23T17:29:14.823

1 expiring date of the US 6905424 B2 2014-11-22T14:18:18.833

1 Approval and expiry date 2014-12-08T14:47:18.830

1 Patent US 5803317 2015-01-23T20:21:44.437

1 Provisional Patent in Europe 2015-02-26T21:11:44.423

1 Why is there no requirement that a foreign entity manufactures / licenses and / or offer to sell in a territory? 2015-03-25T10:12:59.030

1 I am the Granddaughter of Wladimir Senutovitch who created the patent. What is the status at this time? 2015-04-21T03:29:17.873

1 Patent status information 2015-05-20T00:05:12.313

1 Is this Patent still in effect? 2015-07-03T09:39:56.073

1 Is this patent still active? If so, who do I contact to acquire the patent? 2015-07-28T21:54:51.500

1 Patent Expiration 2015-08-25T21:00:19.233

1 Assigning Patents To Different People For Same Device For Over 100 Years, US 8567565 B2 2015-10-10T15:54:16.217

1 What copyright or patent infringements could I step into by remaking an old game? 2016-02-27T12:22:58.557

1 Original Patent document 2016-05-01T20:40:14.340

1 When does the patent on the CPR manikin (US4984987) expire? 2016-07-08T05:48:31.693

1 understanding timeline of new elements to be filed in NP 2017-01-17T02:50:56.100

1 Why is there so much confusion about the expiry of this patent? 2017-06-30T03:34:28.020

1 What happens if you improve/alter your invention after it has been successfully patented? 2017-09-17T15:57:58.013

1 Since this patent is expired, can anyone in the world freely manufacture this and sell for proffit? 2017-12-07T17:49:02.477

1 EPO Continuation Application 2019-02-26T09:21:08.063

1 Does a continuation-in-part keep a USPTO patent family alive in the same way as a continuation? 2019-04-09T16:28:41.060

0 Is Patent US4820036 expired? 2013-08-21T03:23:39.403

0 Is this patent still active? 2013-12-04T18:02:37.113

0 Looking for information about inventor of us20050211962 2013-12-25T19:34:02.393

0 What is enforceable on this patent? 2014-02-03T21:52:22.627

0 Is US patent 1816592 still active? Can I repatent it? 2016-01-27T09:10:24.867

0 When do the patents on RC6 (U.S. Patent 5,724,428 and U.S. Patent 5,835,600) expire? 2016-03-06T20:38:53.403

0 Who sold and who purchased patent #4131769 2016-07-11T19:39:09.647

0 When should a person file a PCT? How can I find out which countries a PCT covers? 2016-07-31T11:37:23.217

0 patent life of a PCT application and royality thereof 2017-01-17T05:47:06.610

0 Validity of patent 2017-02-17T05:57:55.883

0 How are patents managed internationally? 2017-05-06T16:16:55.117

0 Does the Lawn Aerator Shoes hold patent? I am trying to sell lawn aerator shoes and would like to check if it has any patent 2017-06-13T06:06:03.400

0 is this expired now? open for using freely? 2017-06-14T08:36:32.420

0 Is this patent on a rudder innertube still valid? 2017-07-07T19:57:35.210

0 When does this patent expire? 2017-08-08T16:47:46.603

0 Is this patent enforceable? 2017-11-03T17:38:20.263

0 What is time to give reply to advisory action if it is received after 3 months of Final Office Action mailing date 2017-11-06T16:43:42.983

0 Does disclosure of an invention forever bar anyone (except you) from patenting it? 2018-12-17T22:24:53.007

0 Patent Claim Drafting 2019-03-06T21:06:41.813

0 Complete list of patents 2019-07-09T03:51:45.823

0 Why does the expiry of a patent and/or SPC varies in european countries? 2019-09-09T09:29:07.467

0 How long are patent records stored by patent bureau? 2019-12-26T11:13:25.400

0 If I am not able to find patent then can I consider it expired? 2021-02-17T14:02:36.127

-1 Validity and Standing 2017-09-24T04:37:42.767

-1 Is patent US 5881419 A still active? 2017-11-23T03:49:35.527