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| Attribute | Description |
|---|---|
| publication-type | g=grant, a=application |
| accession-number | Legacy integer identifier |
| document-category | Present for US only, categories . Categories are derived from kind codes and include "defensive", "design", "plant", "reissue", "statutory", and "utility". |
| subject-area | Derived from classification, values . Values are "chemical", "chemical/electrical", "design", "electrical", "electrical/mechanical", "mechanical", or "plant". |
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| Attribute | Description |
|---|---|
| anticipated-expiration | Anticipated expiration date is calculated according to the patenting authority and document kind and reflects the maximum life of the patent assuming maintenance fees are paid and term extensions are not in place. |
| adjusted-expiration | Present for US only, contains . Contains a date adjusted by term adjustments made by the USPTO USPTO under 35 USC 154. |
| regulatory-extension | "Yes" when true. The field appears in US records when exploitation of a patent is delayed by regulatory review (ege.g., FDA review) or in other patents when a Supplementary Protection Certificate (SPC) has been issued for a patent. |
| terminal-disclaimer | "Yes" when a notice of terminal disclaimer is present. For US pre-2001, the adjusted-expiration date may incorporate a terminal disclaimer; post-2000, the adjusted date does not include the effect of a terminal disclaimer. |
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| Atttribute | Description |
|---|---|
| country | The country Country is represented by a standard 2-character code based on WIPO . See ST.3. |
For a detailed explanation of EP patent status, see:
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| Element | INID | Description |
|---|---|---|
| ifi-term-extension | Present for US only, this . This field contains the number of days for which the term has been adjusted. |
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| Attribute | Description |
|---|---|
| country | The country Country is represented by a standard 2-character code based on WIPO . See ST.3. |
| type | Present in for US only, possible . Possible values are "U.S. Company or Corporation", "Foreign Company or Corporation". |
| number | Unique proprietary number associated with a standardized company or organization name |
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| Element | Description |
|---|---|
| name | This is the ifi standardized name of the current assignee, determined from reassignments from the patent authorities. |
| type | Present in for US only, possible . Possible values are "U.S. Company or Corporation", "Foreign Company or Corporation". |
| number | Unique proprietary number associated with a standardized company or organization name |
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